| Year | Surname | Given Name (s) | County | State | Page | Township or Other Info | Record Type | Database | ID# |
| 1850 | LANDIS | HENRY | Lehigh County | PA | 281 | North Whitehall Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787385 |
| 1820 | LANDIS | JACOB JR. | Lehigh County | PA | 195 | Upper Sauccon Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729673 |
| 1820 | LANDIS | JACOB SR. | Lehigh County | PA | 195 | Upper Sauccon Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729674 |
| 1820 | LANDIS | JACOB | Lehigh County | PA | 195 | Upper Sauccon Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729660 |
| 1830 | LANDIS | JACOB | Lehigh County | PA | 037 | Upper Saucon Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144284 |
| 1830 | LANDIS | JACOB | Lehigh County | PA | 090 | S. Whitehall Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144288 |
| 1840 | LANDIS | JACOB | Lehigh County | PA | 184 | Upper Saucon Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535826 |
| 1840 | LANDIS | JACOB | Lehigh County | PA | 188 | Upper Saucon Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535827 |
| 1840 | LANDIS | JACOB | Lehigh County | PA | 192 | Upper Saucon Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535828 |
| 1850 | LANDIS | JACOB | Lehigh County | PA | 207 | Upper Saucon | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787420 |
| 1820 | LANDIS | JOHN | Lehigh County | PA | 132 | North Whitehall Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729686 |
| 1850 | LANDIS | JOSEPH K. | Lehigh County | PA | 207 | Upper Saucon | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787500 |
| 1850 | LANDIS | LEVI L. | Lehigh County | PA | 208 | Upper Saucon | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787504 |
| 1850 | LANDIS | LEVIA | Lehigh County | PA | 283 | North Whitehall Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787505 |
| 1850 | LANDIS | MARY | Lehigh County | PA | 315 | Allentown Borough | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787520 |
| 1850 | LANDIS | MARY | Lehigh County | PA | 323 | Allentown Borough | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787521 |
| 1820 | LANDIS | MICHAEL | Lehigh County | PA | 195 | Upper Sauccon Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729711 |
| 1830 | LANDIS | MICHAEL | Lehigh County | PA | 037 | Upper Saucon Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144344 |
| 1840 | LANDIS | MICHAEL | Lehigh County | PA | 190 | Upper Saucon Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535910 |
| 1850 | LANDIS | PETER | Lehigh County | PA | 213 | Upper Saucon | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787556 |
| 1850 | LANDIS | REBECCA | Lehigh County | PA | 302 | Allentown Borough | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787564 |
| 1840 | LANDIS | ROBERT W. | Lehigh County | PA | 153 | Allentown | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535923 |
| 1820 | LANDIS | SAMUEL | Lehigh County | PA | 195 | Upper Sauccon Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729725 |
| 1840 | LANDIS | SAMUEL | Lehigh County | PA | 187 | Upper Saucon Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535934 |
| 1820 | LANDIS | WILLIAM | Lehigh County | PA | 195 | Upper Sauccon Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729739 |
| 1840 | LANDIS | WILLIAM | Lehigh County | PA | 192 | Upper Saucon Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535952 |
| 1850 | LANDIS | WILLIAM | Lehigh County | PA | 195 | Upper Saucon | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787618 |
| 1870 | LANDIS | JOHN | Luzerne County | PA | 132 | Lackawanna Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA53926139 |
| 1820 | LANDIS | SAMULE | Lycoming County | PA | 115 | Washington Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729732 |
| 1860 | LANDIS | JOHN | Mercer County | PA | 017 | Coolsrping Township. | Federal Population Schedule | PA 1860 Federal Census Index | PA50867326 |
| 1840 | LANDIS | ** | Mifflin County | PA | 005 | Wayne Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535699 |
| 1820 | LANDIS | BENJAMIN | Mifflin County | PA | 209 | Fermanagh Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729608 |
| 1830 | LANDIS | BENJAMIN | Mifflin County | PA | 432 | Walker Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144218 |
| 1840 | LANDIS | CHRISTIAN** | Mifflin County | PA | 037 | Oliver Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535748 |
| 1820 | LANDIS | CHRISTIAN | Mifflin County | PA | 184 | Wayne Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729617 |
| 1820 | LANDIS | CHRISTLY | Mifflin County | PA | 193 | Derry Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729619 |
| 1840 | LANDIS | ELIAS | Mifflin County | PA | 042 | Brown Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535770 |
| 1850 | LANDIS | ELIAS | Mifflin County | PA | 192 | Brown Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787331 |
| 1850 | LANDIS | GOERGE | Mifflin County | PA | 169 | Armagh Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787362 |
| 1820 | LANDIS | JOHN | Mifflin County | PA | 184 | Wayne Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729690 |
| 1830 | LANDIS | JOHN | Mifflin County | PA | 432 | Walker Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144312 |
| 1850 | LANDIS | JOHN | Mifflin County | PA | 331 | Oliver Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787456 |
| 1830 | LANDIS | MARTIN | Mifflin County | PA | 480 | Derry Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144342 |
| 1840 | LANDIS | MARTIN | Mifflin County | PA | 025 | Derry Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535906 |
| 1850 | LANDIS | MARY | Mifflin County | PA | 325 | Oliver Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787524 |
| 1850 | LANDIS | WILLIAM | Mifflin County | PA | 339 | Oliver Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787614 |
| 1810 | LANDIS | ABRAHAM | Montgomery County | PA | 248 | Upper Merrion Township | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1932963 |
| 1820 | LANDIS | ABRAHAM | Montgomery County | PA | 190 | Towamensing Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729591 |
| 1820 | LANDIS | ABRAHAM | Montgomery County | PA | 216 | Upper Salford Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729589 |
| 1830 | LANDIS | ABRAHAM | Montgomery County | PA | 190 | Upper Salford | Federal Population Schedule | PA 1830 Federal Census Index | PA559144197 |
| 1830 | LANDIS | ABRAHAM | Montgomery County | PA | 191 | Upper Salford | Federal Population Schedule | PA 1830 Federal Census Index | PA559144196 |
| 1830 | LANDIS | ABRAHAM | Montgomery County | PA | 357 | Montgomery Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144198 |
| 1840 | LANDIS | ABRAHAM | Montgomery County | PA | 134 | Upper Salford Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535719 |
| 1850 | LANDIS | ABRAHAM | Montgomery County | PA | 003 | Franconia Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787232 |
| 1850 | LANDIS | ABRAHAM | Montgomery County | PA | 006 | Franconia Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787240 |
| 1850 | LANDIS | ABRAHAM | Montgomery County | PA | 028 | Lower Salford Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787231 |
| 1850 | LANDIS | ABRAHAM | Montgomery County | PA | 050 | Perkiomin Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787230 |
| 1850 | LANDIS | ANN | Montgomery County | PA | 005 | Franconia Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787255 |
| 1830 | LANDIS | BENJAMIN | Montgomery County | PA | 200 | Franconia Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144217 |
| 1850 | LANDIS | BENJAMIN | Montgomery County | PA | 004 | Franconia Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787267 |
| 1850 | LANDIS | CATHARINE | Montgomery County | PA | 008 | Franconia Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787277 |
| 1850 | LANDIS | CHRISTIAN | Montgomery County | PA | 195 | Towamensing Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787293 |
| 1850 | LANDIS | DANIEL G. | Montgomery County | PA | 379 | Mooreland Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787316 |
| 1830 | LANDIS | DANIEL | Montgomery County | PA | 199 | Franconia Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144229 |
| 1850 | LANDIS | DANIEL | Montgomery County | PA | 011 | Franconia Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787301 |
| 1850 | LANDIS | DANIEL | Montgomery County | PA | 049 | Perkiomin Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787302 |
| 1850 | LANDIS | DANIEL | Montgomery County | PA | 213 | Hatfield Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787303 |
| 1820 | LANDIS | ELIAS | Montgomery County | PA | 175 | Upper Providence Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729631 |
| 1830 | LANDIS | ELIAS | Montgomery County | PA | 235 | Upper Providence | Federal Population Schedule | PA 1830 Federal Census Index | PA559144245 |
| 1840 | LANDIS | ELIAS | Montgomery County | PA | 177 | Upper Providence | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535771 |
| 1850 | LANDIS | ELIAS | Montgomery County | PA | 300 | Upper Providence Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787332 |
| 1850 | LANDIS | ELIZABETH | Montgomery County | PA | 027 | Lower Salford Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787343 |
| 1850 | LANDIS | HANNAH | Montgomery County | PA | 006 | Franconia Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787365 |
| 1810 | LANDIS | HENRY | Montgomery County | PA | 084 | Franconia Township | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1933022 |
| 1810 | LANDIS | HENRY | Montgomery County | PA | 186 | Skippack & Perkiomen | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1933027 |
| 1820 | LANDIS | HENRY | Montgomery County | PA | 182 | Skippack & Perkiomen | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729653 |
| 1820 | LANDIS | HENRY | Montgomery County | PA | 213 | Franconia Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729655 |
| 1830 | LANDIS | HENRY | Montgomery County | PA | 239 | Upper Providence | Federal Population Schedule | PA 1830 Federal Census Index | PA559144259 |
| 1840 | LANDIS | HENRY | Montgomery County | PA | 216 | Lower Providence Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535791 |
| 1850 | LANDIS | HENRY | Montgomery County | PA | 006 | Franconia Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787378 |
| 1810 | LANDIS | ISAAC | Montgomery County | PA | 084 | Franconia Township | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1933030 |
| 1850 | LANDIS | ISAAC | Montgomery County | PA | 006 | Franconia Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787396 |
| 1850 | LANDIS | ISAAC | Montgomery County | PA | 028 | Lower Salford Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787395 |
| 1850 | LANDIS | ISAAC | Montgomery County | PA | 049 | Perkiomin Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787394 |
| 1810 | LANDIS | JACOB JR. | Montgomery County | PA | 248 | Upper Merrion Township | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1933051 |
| 1840 | LANDIS | JACOB SR. | Montgomery County | PA | 134 | Upper Salford Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535844 |
| 1810 | LANDIS | JACOB | Montgomery County | PA | 084 | Franconia Township | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1933042 |
| 1810 | LANDIS | JACOB | Montgomery County | PA | 099 | Hatfield Township | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1933044 |
| 1810 | LANDIS | JACOB | Montgomery County | PA | 186 | Skippack & Perkiomen | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1933047 |
| 1810 | LANDIS | JACOB | Montgomery County | PA | 248 | Upper Merrion Township | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1933045 |
| 1820 | LANDIS | JACOB | Montgomery County | PA | 182 | Skippack & Perkiomen | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729668 |
| 1820 | LANDIS | JACOB | Montgomery County | PA | 213 | Franconia Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729667 |
| 1820 | LANDIS | JACOB | Montgomery County | PA | 216 | Upper Salford Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729666 |
| 1830 | LANDIS | JACOB | Montgomery County | PA | 190 | Upper Salford | Federal Population Schedule | PA 1830 Federal Census Index | PA559144290 |
| 1830 | LANDIS | JACOB | Montgomery County | PA | 199 | Franconia Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144278 |
| 1830 | LANDIS | JACOB | Montgomery County | PA | 249 | Skippack & Perkiomen | Federal Population Schedule | PA 1830 Federal Census Index | PA559144291 |
| 1840 | LANDIS | JACOB | Montgomery County | PA | 134 | Upper Salford Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535830 |
| 1840 | LANDIS | JACOB | Montgomery County | PA | 211 | Lower Providence Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535831 |
| 1850 | LANDIS | JACOB | Montgomery County | PA | 003 | Franconia Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787413 |
| 1790 | LANDIS | JAOCB | Montgomery County | PA | 161 | No Township Listed | Federal Population Schedule | PA 1790 Federal Census Index | PAS1a1933052 |
| 1850 | LANDIS | JOHN B. | Montgomery County | PA | 051 | Perkiomin Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787481 |
| 1790 | LANDIS | JOHN | Montgomery County | PA | 158 | No Township Listed | Federal Population Schedule | PA 1790 Federal Census Index | PAS1a1933069 |
| 1810 | LANDIS | JOHN | Montgomery County | PA | 084 | Franconia Township | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1933074 |
| 1820 | LANDIS | JOHN | Montgomery County | PA | 175 | Upper Providence Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729682 |
| 1820 | LANDIS | JOHN | Montgomery County | PA | 204 | Gwynedd Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729683 |
| 1830 | LANDIS | JOHN | Montgomery County | PA | 195 | Franconia Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144302 |
| 1830 | LANDIS | JOHN | Montgomery County | PA | 235 | Upper Providence | Federal Population Schedule | PA 1830 Federal Census Index | PA559144306 |
| 1830 | LANDIS | JOHN | Montgomery County | PA | 249 | Skippack & Perkiomen | Federal Population Schedule | PA 1830 Federal Census Index | PA559144301 |
| 1850 | LANDIS | JOHN | Montgomery County | PA | 001 | Franconia Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787455 |
| 1850 | LANDIS | JOHN | Montgomery County | PA | 005 | Franconia Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787454 |
| 1850 | LANDIS | JOHN | Montgomery County | PA | 041 | Horsham Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787453 |
| 1850 | LANDIS | JOHN | Montgomery County | PA | 205 | Towamensing Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787457 |
| 1850 | LANDIS | JOSEPH F. | Montgomery County | PA | 011 | Franconia Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787499 |
| 1830 | LANDIS | JOSEPH | Montgomery County | PA | 250 | Skippack & Perkiomen | Federal Population Schedule | PA 1830 Federal Census Index | PA559144333 |
| 1850 | LANDIS | LEAHANN | Montgomery County | PA | 027 | Lower Salford Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787502 |
| 1850 | LANDIS | LEWIS | Montgomery County | PA | 133 | White Marsh Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787506 |
| 1840 | LANDIS | MARY | Montgomery County | PA | 177 | Upper Providence | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535908 |
| 1850 | LANDIS | MARY | Montgomery County | PA | 009 | Franconia Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787523 |
| 1850 | LANDIS | RACHEL | Montgomery County | PA | 115 | Pottstwn Borough W Ward | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787560 |
| 1830 | LANDIS | SAMUEL G. | Montgomery County | PA | 286 | Moreland Two | Federal Population Schedule | PA 1830 Federal Census Index | PA559144370 |
| 1820 | LANDIS | SAMUEL | Montgomery County | PA | 169 | Lower Providence Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729729 |
| 1850 | LANDIS | SARAH | Montgomery County | PA | 004 | Franconia Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787597 |
| 1850 | LANDIS | SUSANAH | Montgomery County | PA | 049 | Perkiomin Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787606 |
| 1790 | LANDIS | WIDOW | Montgomery County | PA | 160 | No Township Listed | Federal Population Schedule | PA 1790 Federal Census Index | PAS1a1933137 |
| 1820 | LANDIS | ABRAHAM | Northampton County | PA | 229 | East Penn Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729600 |
| 1850 | LANDIS | GEORGE | Northampton County | PA | 091 | Forks Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787356 |
| 1850 | LANDIS | HY. | Northampton County | PA | 293 | East Allen Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787393 |
| 1810 | LANDIS | JACOB | Northampton County | PA | 070 | Sallisbury Township | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1933046 |
| 1820 | LANDIS | JOHN JR. | Northampton County | PA | 266 | Lower Mount Bethel Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729699 |
| 1820 | LANDIS | JOHN | Northampton County | PA | 250 | Lehigh Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729691 |
| 1820 | LANDIS | JOSEPH | Northampton County | PA | 259 | Lower Saucan Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729703 |
| 1850 | LANDIS | NANCY | Northampton County | PA | 294 | East Allen Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787545 |
| 1830 | LANDIS | TOBIAS | Northampton County | PA | 160 | Upper Mt. Bethel Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144376 |
| 1810 | LANDIS | JACOB | Northumberland County | PA | 139 | White Deer Township | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1933048 |
| 1820 | LANDIS | ABRAHAM | Perry County | PA | 322 | Tyrone Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729598 |
| 1850 | LANDIS | ELIAS | Perry County | PA | 518 | Greenwood Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787333 |
| 1850 | LANDIS | ELIZABETH | Perry County | PA | 526 | Watt Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787342 |
| 1820 | LANDIS | HENRY | Perry County | PA | 360 | Greenwood Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729652 |
| 1820 | LANDIS | SAMUEL | Perry County | PA | 322 | Tyrone Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729724 |
| 1850 | LANDIS | SUSANNA | Perry County | PA | 481 | Liverpool Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787607 |
| 1840 | LANDIS | ABRAHAM | Philadelphia County | PA | 045 | Kensington Dis 2nd Wd | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535720 |
| 1840 | LANDIS | ABRAHAM | Philadelphia County | PA | 141 | Northern Liberties | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535721 |
| 1860 | LANDIS | ABRAHAM | Philadelphia County | PA | 054 | 1 W.2 D.Philadelphia | Federal Population Schedule | PA 1860 Federal Census Index | PA455102377 |
| 1850 | LANDIS | AMMOS B. | Philadelphia County | PA | 257 | Kensington Ward 4 | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787249 |
| 1860 | LANDIS | AMOS | Philadelphia County | PA | 929 | 11 W. Philadelphia | Federal Population Schedule | PA 1860 Federal Census Index | PA455102378 |
| 1850 | LANDIS | ANN | Philadelphia County | PA | 023 | Spring Garden Ward 3 #2 | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787254 |
| 1850 | LANDIS | BUELA | Philadelphia County | PA | 341 | New Market Ward | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787275 |
| 1860 | LANDIS | CARTHERINE | Philadelphia County | PA | 551 | 19 W. Philadelphia | Federal Population Schedule | PA 1860 Federal Census Index | PA455102379 |
| 1860 | LANDIS | CATHERINE | Philadelphia County | PA | 481 | 10 W.E.D.Philadelphia | Federal Population Schedule | PA 1860 Federal Census Index | PA455102380 |
| 1860 | LANDIS | CHARLES | Philadelphia County | PA | 132 | 5 W.N.D.Philadelphia | Federal Population Schedule | PA 1860 Federal Census Index | PA455102381 |
| 1820 | LANDIS | DAVID | Philadelphia County | PA | 184 | South Mulberry Ward | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729626 |
| 1830 | LANDIS | DAVID | Philadelphia County | PA | 399 | Phldlph S.Mulberry Ward | Federal Population Schedule | PA 1830 Federal Census Index | PA559144241 |
| 1860 | LANDIS | GEORGE W. | Philadelphia County | PA | 222 | 2 W.Philadelphia | Federal Population Schedule | PA 1860 Federal Census Index | PA455102382 |
| 1860 | LANDIS | H. D. | Philadelphia County | PA | 481 | 8 W. Philadelphia | Federal Population Schedule | PA 1860 Federal Census Index | PA455102383 |
| 1850 | LANDIS | HARRY | Philadelphia County | PA | 465 | North Mulberry Ward | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787368 |
| 1810 | LANDIS | HENRY | Philadelphia County | PA | 150 | Lower Delaware Ward | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1933024 |
| 1860 | LANDIS | HENRY | Philadelphia County | PA | 482 | 10 W.E.D.Philadelphia | Federal Population Schedule | PA 1860 Federal Census Index | PA455102384 |
| 1850 | LANDIS | ISAAC | Philadelphia County | PA | 063 | Blockley Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787399 |
| 1850 | LANDIS | ISAAC | Philadelphia County | PA | 444 | Southwark Ward 6 | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787400 |
| 1860 | LANDIS | JACOB | Philadelphia County | PA | 119 | 19w.Philadelphia | Federal Population Schedule | PA 1860 Federal Census Index | PA455102385 |
| 1860 | LANDIS | JACOB | Philadelphia County | PA | 751 | 23w.7p.Philadelphia | Federal Population Schedule | PA 1860 Federal Census Index | PA455102386 |
| 1860 | LANDIS | JAMES | Philadelphia County | PA | 706 | 2 W.Philadelphia | Federal Population Schedule | PA 1860 Federal Census Index | PA455102387 |
| 1840 | LANDIS | JOHN | Philadelphia County | PA | 119 | N Liberties 5th Ward | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535865 |
| 1850 | LANDIS | JOHN | Philadelphia County | PA | 261 | Germantown | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787464 |
| 1860 | LANDIS | JOHN | Philadelphia County | PA | 639 | 2 W.Philadelphia | Federal Population Schedule | PA 1860 Federal Census Index | PA455102388 |
| 1860 | LANDIS | JOSEPH | Philadelphia County | PA | 880 | 21 W.Philadelphia | Federal Population Schedule | PA 1860 Federal Census Index | PA455102389 |
| 1860 | LANDIS | LIZZIE | Philadelphia County | PA | 492 | 13 W.Philadelphia | Federal Population Schedule | PA 1860 Federal Census Index | PA455102390 |
| 1850 | LANDIS | LORENZO | Philadelphia County | PA | 167 | Frankford Borough | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787508 |
| 1860 | LANDIS | MARGARETT | Philadelphia County | PA | 484 | 7 W.Philadelphia | Federal Population Schedule | PA 1860 Federal Census Index | PA455102391 |
| 1830 | LANDIS | MARGARET | Philadelphia County | PA | 393 | Phldlph S.Mulberry Ward | Federal Population Schedule | PA 1830 Federal Census Index | PA559144340 |
| 1840 | LANDIS | MARGARET | Philadelphia County | PA | 219 | Lower Dublin | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535904 |
| 1860 | LANDIS | MARY | Philadelphia County | PA | 195 | 12w1d.Philadelphia | Federal Population Schedule | PA 1860 Federal Census Index | PA455102392 |
| 1860 | LANDIS | PETER K. | Philadelphia County | PA | 074 | 15 W.Philadelphia | Federal Population Schedule | PA 1860 Federal Census Index | PA455102394 |
| 1860 | LANDIS | PETER R. | Philadelphia County | PA | 448 | 14w.2d.Philadelphia | Federal Population Schedule | PA 1860 Federal Census Index | PA455102395 |
| 1753 | LANDIS | PETER | Philadelphia County | PA | | Philidelphia | | PA Early Census Index | PAS1a1933108 |
| 1850 | LANDIS | PETER | Philadelphia County | PA | 039 | Lower Delaware Ward | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787559 |
| 1850 | LANDIS | PETER | Philadelphia County | PA | 494 | Spring Garden Ward 3 #1 | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787558 |
| 1860 | LANDIS | PETER | Philadelphia County | PA | 300 | 20w.1d.Philadelphia | Federal Population Schedule | PA 1860 Federal Census Index | PA455102393 |
| 1810 | LANDIS | SAMUEL C. | Philadelphia County | PA | 088 | So Mulberry | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1933128 |
| 1820 | LANDIS | SAMUEL C. | Philadelphia County | PA | 180 | South Mulberry Ward | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729731 |
| 1850 | LANDIS | SAMUEL | Philadelphia County | PA | 053 | Cedar Ward | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787574 |
| 1860 | LANDIS | SIMON M. | Philadelphia County | PA | 644 | 6 W.1d.Philadelphia | Federal Population Schedule | PA 1860 Federal Census Index | PA455102396 |
| 1860 | LANDIS | THOMAS Y. | Philadelphia County | PA | 565 | 13 W.Philadelphia | Federal Population Schedule | PA 1860 Federal Census Index | PA455102397 |
| 1850 | LANDIS | WILLIAM | Philadelphia County | PA | 428 | Walnut Ward | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787613 |
| 1850 | LANDIS | WILLIAM | Philadelphia County | PA | 448 | Moyamensing Ward 4 | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787615 |
| 1860 | LANDIS | WILLIAM | Philadelphia County | PA | 504 | 8 W. Philadelphia | Federal Population Schedule | PA 1860 Federal Census Index | PA455102398 |
| 1850 | LANDIS | JOHN | Schuylkill County | PA | 402 | Pottsville South Ward | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787465 |
| 1830 | LANDIS | ABRAHAM | Somerset County | PA | 054 | Brothers Vly Township Baker | Federal Population Schedule | PA 1830 Federal Census Index | PA559144191 |
| 1840 | LANDIS | ABRAHAM | Somerset County | PA | 059 | St.Ony Creek Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535722 |
| 1850 | LANDIS | ABRAHAM | Somerset County | PA | 128 | St.Oneycreek Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787228 |
| 1860 | LANDIS | ABRAHAM | Somerset County | PA | 573 | St.Oney Creek Township. | Federal Population Schedule | PA 1860 Federal Census Index | PA508144281 |
| 1860 | LANDIS | ABRAHAM | Somerset County | PA | 573 | St.Oney Creek Township. | Federal Population Schedule | PA 1860 Federal Census Index | PA508144283 |
| 1860 | LANDIS | ABSOLOM | Somerset County | PA | 517 | Somerset Township. | Federal Population Schedule | PA 1860 Federal Census Index | PA508151274 |
| 1850 | LANDIS | ALEXANDER | Somerset County | PA | 051 | Somerset Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787248 |
| 1860 | LANDIS | ALEXANDER | Somerset County | PA | 499 | Somerset Township. | Federal Population Schedule | PA 1860 Federal Census Index | PA508151061 |
| 1860 | LANDIS | ANANIAS | Somerset County | PA | 093 | Brothers Valley Township. | Federal Population Schedule | PA 1860 Federal Census Index | PA508124956 |
| 1830 | LANDIS | DANIEL | Somerset County | PA | 055 | Brothers Vly Township Baker | Federal Population Schedule | PA 1830 Federal Census Index | PA559144227 |
| 1840 | LANDIS | DANIEL | Somerset County | PA | 027 | Berlin | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535753 |
| 1850 | LANDIS | DANIEL | Somerset County | PA | 159 | Berlin Borough | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787309 |
| 1850 | LANDIS | DANIEL | Somerset County | PA | 161 | Berlin Borough | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787308 |
