| Year | Surname | Given Name (s) | County | State | Page | Township or Other Info | Record Type | Database | ID# |
| 1820 | LANDIS | JACOB | Bucks County | PA | 075 | Bedminster Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729669 |
| 1820 | LANDIS | JACOB | Bucks County | PA | 282 | Hilltown Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729670 |
| 1840 | LANDIS | JACOB | Bucks County | PA | 128 | Bedminster Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535818 |
| 1840 | LANDIS | JACOB | Bucks County | PA | 128 | Bedminster Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535835 |
| 1850 | LANDIS | JACOB | Bucks County | PA | 252 | Bedminster Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787404 |
| 1850 | LANDIS | JACOB | Bucks County | PA | 270 | Hilltown Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787405 |
| 1850 | LANDIS | JACOB | Bucks County | PA | 302 | New Britain Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787406 |
| 1790 | LANDIS | JAOCB | Bucks County | PA | 055 | No Township Listed | Federal Population Schedule | PA 1790 Federal Census Index | PAS1a1933053 |
| 1790 | LANDIS | JOHN | Bucks County | PA | 056 | No Township Listed | Federal Population Schedule | PA 1790 Federal Census Index | PAS1a1933071 |
| 1790 | LANDIS | JOHN | Bucks County | PA | 057 | No Township Listed | Federal Population Schedule | PA 1790 Federal Census Index | PAS1a1933070 |
| 1810 | LANDIS | JOHN | Bucks County | PA | 080 | Rockhill Township | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1933077 |
| 1820 | LANDIS | JOHN | Bucks County | PA | 043 | Durham Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729684 |
| 1840 | LANDIS | JOHN | Bucks County | PA | 322 | Haycock Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535877 |
| 1840 | LANDIS | JOHN | Bucks County | PA | 325 | Haycock Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535878 |
| 1810 | LANDIS | JOSEPH | Bucks County | PA | 036 | Plumstead Township | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1933094 |
| 1810 | LANDIS | JOSEPH | Bucks County | PA | 090 | Bedminster Township | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1933093 |
| 1840 | LANDIS | JOSEPH | Bucks County | PA | 130 | Bedminster Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535895 |
| 1850 | LANDIS | JOSEPH | Bucks County | PA | 230 | Springfield Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787488 |
| 1850 | LANDIS | JOSEPH | Bucks County | PA | 264 | Hilltown Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787487 |
| 1850 | LANDIS | MAGDALENA | Bucks County | PA | 264 | Hilltown Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787510 |
| 1850 | LANDIS | MARK | Bucks County | PA | 235 | Plumstead Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787515 |
| 1850 | LANDIS | MARY | Bucks County | PA | 271 | Hilltown Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787526 |
| 1840 | LANDIS | MOSES | Bucks County | PA | 113 | Plumstead Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535914 |
| 1850 | LANDIS | PETER | Bucks County | PA | 106 | Warrington Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787557 |
| 1850 | LANDIS | PETER | Bucks County | PA | 219 | Springfield Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787552 |
| 1790 | LANDIS | RALPH | Bucks County | PA | 055 | No Township Listed | Federal Population Schedule | PA 1790 Federal Census Index | PAS1a1933115 |
| 1850 | LANDIS | RALPH | Bucks County | PA | 302 | New Britain Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787561 |
| 1810 | LANDIS | SAMUEL* | Bucks County | PA | 080 | Rockhill Township | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1933129 |
| 1790 | LANDIS | SAMUEL | Bucks County | PA | 055 | No Township Listed | Federal Population Schedule | PA 1790 Federal Census Index | PAS1a1933119 |
| 1810 | LANDIS | SAMUEL | Bucks County | PA | 032 | Brittain Township | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1933121 |
| 1810 | LANDIS | SAMUEL | Bucks County | PA | 076 | Milford Township | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1933122 |
| 1820 | LANDIS | SAMUEL | Bucks County | PA | 008 | New Britain Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729728 |
| 1820 | LANDIS | SAMUEL | Bucks County | PA | 058 | Milford Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729726 |
| 1820 | LANDIS | SAMUEL | Bucks County | PA | 065 | Rockhill Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729727 |
| 1850 | LANDIS | SAMUEL | Bucks County | PA | 151 | Tullytown/falls Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787572 |
| 1850 | LANDIS | SAMUEL | Bucks County | PA | 151 | Tullytown/falls Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787573 |
| 1840 | LANDIS | SUSANA | Bucks County | PA | 333 | Richland Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535946 |
| 1840 | LANDIS | TOBIAS | Bucks County | PA | 335 | Richland Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535947 |
| 1810 | LANDIS | WID. | Bucks County | PA | 078 | Milford Township | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1933135 |
| 1810 | LANDIS | WID. | Bucks County | PA | 090 | Bedminster Township | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1933136 |
| 1820 | LANDIS | WIDOW | Bucks County | PA | 283 | Hilltown Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729737 |
| 1850 | LANDIS | ABRAHAM | Butler County | PA | 146 | Cranberry Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787237 |
| 1830 | LANDIS | SAMUEL | Butler County | PA | 036 | Connoquenessing Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144356 |
| 1850 | LANDIS | SAMUEL | Butler County | PA | 146 | Cranberry Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787575 |
| 1850 | LANDIS | PEMINAH | Centre County | PA | 220 | Spring Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787551 |
| 1840 | LANDIS | DANIEL | Chester County | PA | 050 | E Nantimeal Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535758 |
| 1842 | LANDIS | DANIEL | Chester County | PA | 000 | East Nantmeal Township | | PA 1842 Chester Co. Index | PA4346555 |
| 1857 | LANDIS | DANIEL | Chester County | PA | 000 | Warwick | | PA 1857 Chester Co. Index | PA0288407 |
| 1790 | LANDIS | FREDERICK | Chester County | PA | 064 | East Town Township | Federal Population Schedule | PA 1790 Federal Census Index | PAS1a1932992 |
| 1830 | LANDIS | FREDERICK | Chester County | PA | 191 | E. Nantmeal Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144247 |
| 1857 | LANDIS | GOERGE W. | Chester County | PA | 000 | North Coventry | | PA 1857 Chester Co. Index | PA0288408 |
| 1830 | LANDIS | HENRY | Chester County | PA | 195 | E. Nantmeal Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144257 |
| 1830 | LANDIS | HENRY | Chester County | PA | 204 | W. Nantmeal Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144258 |
| 1810 | LANDIS | JACOB | Chester County | PA | 292 | Treydyffryn Township | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1933049 |
| 1830 | LANDIS | JACOB | Chester County | PA | 155 | Pikeland Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144286 |
| 1857 | LANDIS | JOHN | Chester County | PA | 000 | Phoenixville | | PA 1857 Chester Co. Index | PA0288409 |
| 1830 | LANDIS | LUDWICK | Chester County | PA | 233 | Uwchlan Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144339 |
| 1850 | LANDIS | MARY | Chester County | PA | 211 | West Nantmeal Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787530 |
| 1820 | LANDIS | MICHAEL | Chester County | PA | 203 | Conventry Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729712 |
| 1830 | LANDIS | PETER | Chester County | PA | 131 | Schuylkill Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144347 |
| 1857 | LANDIS | PETER | Chester County | PA | 000 | East Vincent | | PA 1857 Chester Co. Index | PA0288410 |
| 1810 | LANDIS | PHILLIP | Chester County | PA | 283 | East Town Township | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1933111 |
| 1810 | LANDIS | RACHEL | Chester County | PA | 292 | Treydyffryn Township | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1933113 |
| 1830 | LANDIS | RACHEL | Chester County | PA | 155 | Pikeland Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144353 |
| 1840 | LANDIS | SAMUEL | Chester County | PA | 309 | Coventry Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535930 |
| 1842 | LANDIS | SAMUEL | Chester County | PA | 000 | North Coventry Township | | PA 1842 Chester Co. Index | PA4346556 |
| 1857 | LANDIS | SAMUEL | Chester County | PA | 000 | East Pikeland | | PA 1857 Chester Co. Index | PA0288411 |
| 1830 | LANDIS | ABRAHAM JUN. | Cumberland County | PA | 162 | Mifflin Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144206 |
| 1810 | LANDIS | ABRAHAM | Cumberland County | PA | 075 | Mifflin Township | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1932965 |
| 1820 | LANDIS | ABRAHAM | Cumberland County | PA | 061 | Mifflin Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729592 |
| 1830 | LANDIS | ABRAHAM | Cumberland County | PA | 162 | Mifflin Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144202 |
| 1840 | LANDIS | ABRAM | Cumberland County | PA | 091 | Mifflin | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535724 |
| 1830 | LANDIS | ANNE | Cumberland County | PA | 058 | Newville Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144212 |
| 1850 | LANDIS | CATHARINE | Cumberland County | PA | 019 | Lower Allen Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787279 |
| 1850 | LANDIS | DANIEL | Cumberland County | PA | 083 | Frankford Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787310 |
| 1850 | LANDIS | ELOZA | Cumberland County | PA | 320 | Muffin Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787347 |
| 1830 | LANDIS | GEORGE | Cumberland County | PA | 069 | Shippensburg | Federal Population Schedule | PA 1830 Federal Census Index | PA559144250 |
| 1850 | LANDIS | GEORGE | Cumberland County | PA | 203 | Shippensburg Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787355 |
| 1850 | LANDIS | GOERGE | Cumberland County | PA | 321 | Muffin Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787363 |
| 1830 | LANDIS | HENRY | Cumberland County | PA | 051 | Monroe Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144256 |
| 1850 | LANDIS | HENRY | Cumberland County | PA | 319 | Muffin Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787380 |
| 1830 | LANDIS | JACOB | Cumberland County | PA | 113 | Allen Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144276 |
| 1830 | LANDIS | JACOB | Cumberland County | PA | 115 | Allen Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144274 |
| 1830 | LANDIS | JACOB | Cumberland County | PA | 162 | Mifflin Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144285 |
| 1840 | LANDIS | JACOB | Cumberland County | PA | 091 | Mifflin | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535821 |
| 1840 | LANDIS | JACOB | Cumberland County | PA | 114 | Allen Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535822 |
| 1850 | LANDIS | JACOB | Cumberland County | PA | 011 | Upper Allen Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787412 |
| 1850 | LANDIS | JACOB | Cumberland County | PA | 018 | Lower Allen Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787411 |
| 1850 | LANDIS | JACOB | Cumberland County | PA | 267 | Silverspring Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787418 |
| 1850 | LANDIS | JACOB | Cumberland County | PA | 288 | Newton Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787419 |
| 1830 | LANDIS | JAMES | Cumberland County | PA | 162 | Mifflin Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144297 |
| 1850 | LANDIS | JOHN | Cumberland County | PA | 300 | Newton Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787443 |
| 1810 | LANDIS | JONAS | Cumberland County | PA | 075 | Mifflin Township | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1933090 |
| 1820 | LANDIS | JONAS | Cumberland County | PA | 061 | Mifflin Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729702 |
| 1840 | LANDIS | JONAS | Cumberland County | PA | 091 | Mifflin | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535891 |
| 1840 | LANDIS | JONAS | Cumberland County | PA | 091 | Mifflin | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535892 |
| 1850 | LANDIS | JONAS | Cumberland County | PA | 320 | Muffin Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787484 |
| 1820 | LANDIS | JOSEPH | Cumberland County | PA | 048 | Frankford Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729704 |
| 1830 | LANDIS | JOSEPH | Cumberland County | PA | 164 | Mifflin Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144335 |
| 1840 | LANDIS | JOSEPH | Cumberland County | PA | 113 | Allen Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535897 |
| 1850 | LANDIS | MARIAH | Cumberland County | PA | 319 | Muffin Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787514 |
| 1850 | LANDIS | MARY A. | Cumberland County | PA | 083 | Frankford Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787532 |
| 1850 | LANDIS | MARY | Cumberland County | PA | 322 | Muffin Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787527 |
| 1850 | LANDIS | HENRY | Cumberlin County | PA | 249 | Monroe Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787370 |
| 1850 | LANDIS | JOHN | Cumberlin County | PA | 250 | Monroe Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787452 |
| 1850 | LANDIS | MICHEAL | Cumberlin County | PA | 242 | Monroe Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787542 |
| 1870 | LANDIS | A. B. | Dauphin County | PA | 597 | South Hanover Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417253 |
| 1810 | LANDIS | ABRAHAM | Dauphin County | PA | 074 | East Hanover | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1932962 |
| 1820 | LANDIS | ABRAHAM | Dauphin County | PA | 148 | Halifax Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729597 |
| 1830 | LANDIS | ABRAHAM | Dauphin County | PA | 117 | Derry Township Hummelstown | Federal Population Schedule | PA 1830 Federal Census Index | PA559144201 |
| 1850 | LANDIS | ABRAHAM | Dauphin County | PA | 134 | Derry Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787234 |
| 1850 | LANDIS | ABRAHAM | Dauphin County | PA | 155 | Middletown Borough | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787233 |
| 1870 | LANDIS | ABRAM | Dauphin County | PA | 318 | 7 W. Harrisburg | Federal Population Schedule | PA 1870 Federal Census Index | PA52417254 |
| 1870 | LANDIS | ADAM | Dauphin County | PA | 018 | Derry Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417255 |
| 1870 | LANDIS | ADAM | Dauphin County | PA | 034 | Derry Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417256 |
| 1870 | LANDIS | ADELINE | Dauphin County | PA | 028 | Derry Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417257 |
| 1870 | LANDIS | ADELINE | Dauphin County | PA | 706 | Churchville | Federal Population Schedule | PA 1870 Federal Census Index | PA52417258 |
| 1850 | LANDIS | ANDREW | Dauphin County | PA | 210 | Londonderry Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787251 |
| 1870 | LANDIS | ANGELINE | Dauphin County | PA | 732 | West Hanover Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417259 |
| 1870 | LANDIS | ANNA | Dauphin County | PA | 036 | Derry/spring Creek Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417262 |
| 1870 | LANDIS | ANNA | Dauphin County | PA | 597 | South Hanover Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417263 |
| 1870 | LANDIS | ANNA | Dauphin County | PA | 604 | South Hanover Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417264 |
| 1870 | LANDIS | ANNIE | Dauphin County | PA | 478 | Lower Swatara Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417265 |
| 1870 | LANDIS | ANN | Dauphin County | PA | 366 | 8 W. Harrisburg | Federal Population Schedule | PA 1870 Federal Census Index | PA52417260 |
| 1870 | LANDIS | ANN | Dauphin County | PA | 412 | Londonderry Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417261 |
| 1810 | LANDIS | BARBARA | Dauphin County | PA | 004 | Derry | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1932966 |
| 1870 | LANDIS | BARBARA | Dauphin County | PA | 038 | Derry/spring Creek Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417266 |
| 1870 | LANDIS | BENJAMIN | Dauphin County | PA | 054 | East Hanover Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417267 |
| 1870 | LANDIS | CAROLINE | Dauphin County | PA | 685 | Upper Swatara Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417268 |
| 1870 | LANDIS | CATHARINE | Dauphin County | PA | 418 | Londonderry Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417270 |
| 1870 | LANDIS | CATHERINE A. | Dauphin County | PA | 031 | Derry Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417272 |
| 1870 | LANDIS | CATHERINE | Dauphin County | PA | 020 | Derry Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417271 |
| 1870 | LANDIS | CATH | Dauphin County | PA | 606 | South Hanover Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417269 |
| 1810 | LANDIS | CHARITIAN | Dauphin County | PA | 037 | London Derry | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1932973 |
| 1870 | LANDIS | CHRIST.* | Dauphin County | PA | 602 | South Hanover Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417274 |
| 1870 | LANDIS | CHRISTIAN B. | Dauphin County | PA | 732 | West Hanover Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417277 |
| 1830 | LANDIS | CHRISTIAN JR. | Dauphin County | PA | 112 | Derry Township Hummelstown | Federal Population Schedule | PA 1830 Federal Census Index | PA559144224 |
| 1820 | LANDIS | CHRISTIAN | Dauphin County | PA | 109 | Derry Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729614 |
| 1820 | LANDIS | CHRISTIAN | Dauphin County | PA | 113 | Londonderry Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729615 |
| 1820 | LANDIS | CHRISTIAN | Dauphin County | PA | 137 | Lower Paxton | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729616 |
| 1840 | LANDIS | CHRISTIAN | Dauphin County | PA | 260 | Derry Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535740 |
| 1840 | LANDIS | CHRISTIAN | Dauphin County | PA | 261 | Derry Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535741 |
| 1840 | LANDIS | CHRISTIAN | Dauphin County | PA | 265 | Derry Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535742 |
| 1850 | LANDIS | CHRISTIAN | Dauphin County | PA | 126 | Derry Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787289 |
| 1850 | LANDIS | CHRISTIAN | Dauphin County | PA | 130 | Derry Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787290 |
| 1850 | LANDIS | CHRISTIAN | Dauphin County | PA | 137 | Derry Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787287 |
| 1870 | LANDIS | CHRISTIAN | Dauphin County | PA | 041 | Hummelstown | Federal Population Schedule | PA 1870 Federal Census Index | PA52417275 |
| 1870 | LANDIS | CHRISTIAN | Dauphin County | PA | 685 | Upper Swatara Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417276 |
| 1870 | LANDIS | CHRIST | Dauphin County | PA | 604 | South Hanover Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417273 |
| 1870 | LANDIS | DAVID K. | Dauphin County | PA | 038 | Derry/spring Creek Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417278 |
| 1830 | LANDIS | DAVID | Dauphin County | PA | 116 | Derry Township Hummelstown | Federal Population Schedule | PA 1830 Federal Census Index | PA559144239 |
| 1850 | LANDIS | DAVID | Dauphin County | PA | 112 | Union Deposit (S.H.Y.) | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787317 |
| 1820 | LANDIS | DNAIEL | Dauphin County | PA | 114 | Londonderry Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729630 |
| 1870 | LANDIS | EDWARD | Dauphin County | PA | 655 | Upper Paxton Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417279 |
| 1870 | LANDIS | ELIZ* (2) | Dauphin County | PA | 605 | South Hanover Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417283 |
| 1830 | LANDIS | ELIZABETH | Dauphin County | PA | 182 | Upper Swatar Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144246 |
| 1870 | LANDIS | ELIZABETH | Dauphin County | PA | 019 | Derry Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417284 |
| 1870 | LANDIS | ELIZABETH | Dauphin County | PA | 029 | Derry Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417285 |
| 1870 | LANDIS | ELIZABETH | Dauphin County | PA | 030 | Derry Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417286 |
| 1870 | LANDIS | ELIZABETH | Dauphin County | PA | 031 | Derry Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417287 |
| 1870 | LANDIS | ELIZABETH | Dauphin County | PA | 034 | Derry Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417288 |
| 1870 | LANDIS | ELIZABETH | Dauphin County | PA | 078 | Halifax Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417289 |
| 1870 | LANDIS | ELIZABETH | Dauphin County | PA | 092 | Halifax Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417290 |
| 1870 | LANDIS | ELIZABETH | Dauphin County | PA | 516 | Middletown Borough | Federal Population Schedule | PA 1870 Federal Census Index | PA52417291 |
| 1870 | LANDIS | ELIZ | Dauphin County | PA | 597 | South Hanover Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417280 |
| 1870 | LANDIS | ELIZ | Dauphin County | PA | 602 | South Hanover Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417281 |
| 1870 | LANDIS | ELIZ | Dauphin County | PA | 605 | South Hanover Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417282 |
| 1870 | LANDIS | FANNY | Dauphin County | PA | 419 | Londonderry Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417292 |
| 1810 | LANDIS | FELIX | Dauphin County | PA | 045 | Swatara | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1932991 |
| 1870 | LANDIS | FELIX | Dauphin County | PA | 019 | Derry Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417293 |
| 1870 | LANDIS | FRANKLIN | Dauphin County | PA | 018 | Derry Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417294 |
| 1830 | LANDIS | GEORGE | Dauphin County | PA | 110 | Derry Township Hummelstown | Federal Population Schedule | PA 1830 Federal Census Index | PA559144251 |
| 1840 | LANDIS | GEORGE | Dauphin County | PA | 261 | Derry Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535783 |
| 1850 | LANDIS | GEORGE | Dauphin County | PA | 126 | Derry Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787354 |
| 1850 | LANDIS | GIDEON | Dauphin County | PA | 105 | South Hanover Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787361 |
| 1870 | LANDIS | H. B. | Dauphin County | PA | 076 | Halifax Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417295 |
| 1870 | LANDIS | HARRY MA.^ | Dauphin County | PA | 400 | Londonderry Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417296 |
| 1820 | LANDIS | HENRY JR. | Dauphin County | PA | 113 | Londonderry Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729658 |
| 1830 | LANDIS | HENRY JR. | Dauphin County | PA | 113 | Derry Township Hummelstown | Federal Population Schedule | PA 1830 Federal Census Index | PA559144267 |
| 1830 | LANDIS | HENRY JR. | Dauphin County | PA | 113 | Derry Township Hummelstown | Federal Population Schedule | PA 1830 Federal Census Index | PA559144268 |
| 1790 | LANDIS | HENRY | Dauphin County | PA | 094 | No Township Listed | Federal Population Schedule | PA 1790 Federal Census Index | PAS1a1933016 |
| 1810 | LANDIS | HENRY | Dauphin County | PA | 002 | No Township Listed | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1933026 |
| 1810 | LANDIS | HENRY | Dauphin County | PA | 036 | London Derry | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1933021 |
| 1820 | LANDIS | HENRY | Dauphin County | PA | 109 | Derry Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729643 |
| 1820 | LANDIS | HENRY | Dauphin County | PA | 113 | Londonderry Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729649 |
| 1830 | LANDIS | HENRY | Dauphin County | PA | 022 | Upper Paxton Township | Federal Population Schedule | PA 1830 Federal Census Index | PA559144255 |
| 1850 | LANDIS | HENRY | Dauphin County | PA | 130 | Derry Township | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787377 |
| 1870 | LANDIS | HENRY | Dauphin County | PA | 023 | Derry Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417297 |
| 1870 | LANDIS | HENRY | Dauphin County | PA | 029 | Derry Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417298 |
| 1870 | LANDIS | HENRY | Dauphin County | PA | 684 | Upper Swatara Twp | Federal Population Schedule | PA 1870 Federal Census Index | PA52417299 |
| 1870 | LANDIS | HIRAM | Dauphin County | PA | 045 | Hummelstown | Federal Population Schedule | PA 1870 Federal Census Index | PA52417300 |
| 1870 | LANDIS | HOWARD | Dauphin County | PA | 318 | 7 W. Harrisburg | Federal Population Schedule | PA 1870 Federal Census Index | PA52417301 |
| 1870 | LANDIS | IDA | Dauphin County | PA | 514 | Middletown Borough | Federal Population Schedule | PA 1870 Federal Census Index | PA52417302 |
| 1850 | LANDIS | ISAACP | Dauphin County | PA | 116 | Hummelstown | Federal Population Schedule | PA 1850 Federal Census Index | PAS6a1787401 |
| 1830 | LANDIS | ISAAC | Dauphin County | PA | 116 | Derry Township Hummelstown | Federal Population Schedule | PA 1830 Federal Census Index | PA559144271 |
| 1840 | LANDIS | ISAAC | Dauphin County | PA | 248 | Londonderry Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535810 |
| 1810 | LANDIS | JACOB | Dauphin County | PA | 051 | Hanover | Federal Population Schedule | PA 1810 Federal Census Index | PAS1a1933043 |
| 1820 | LANDIS | JACOB | Dauphin County | PA | 109 | Derry Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729663 |
| 1820 | LANDIS | JACOB | Dauphin County | PA | 109 | Derry Township | Federal Population Schedule | PA 1820 Federal Census Index | PAS2a729664 |
| 1840 | LANDIS | JACOB | Dauphin County | PA | 260 | Derry Township | Federal Population Schedule | PA 1840 Federal Census Index | PAS4a1535823 |
