| Surname | Given Name | Number | Native of | Certificate Granted | Vouchers | Intention Declared Date | Intention Declared County |
| Mabon | James | 91 | Scotland | Sep. 1813 | Allan Graham | 17 Sep. 1812 | |
| Mabon | Thomas | 86 | Scotland | Sep. 1813 | David Reid | ||
| Mabon | William | 94 | Scotland | Dec. 1813 | David Reid | 8 Mar. 1813 | |
| Mack | James | 148 | Ireland | Sep. 1822 | Robert Mack | ||
| Mack | John | 109 | Ireland | Jun. 1815 | David Tomb | ||
| Mack | Robert | 112 | Ireland | Dec. 1815 | James Campbell | ||
| Maguire | Patrick | 589 | Ireland | Mar. 1856 | P Masterson, P Kilkenney | 31 Dec. 1853 | Indiana Co. |
| Mahan | Patrick | 240 | Ireland | Dec. 1835 | Robert Miller, Jas Hunter | 29 Dec. 1835 | Indiana Co. |
| Maher | Daniel | 552 | Ireland | Jan. 1855 | T Glenn, P Maher | 26 May. 1851 | Westmoreland Co |
| Maher | Daniel of T | 544 | Ireland | Dec. 1854 | Thos Adams, R B McCabe | 26 Dec. 1849 | Indiana Co. |
| Maher | John | 366 | Ireland | Sep. 1844 | Sam'l Cummins, Thos C McFeely | 28 Sep. 1842 | Indiana Co. |
| Maher | Nicholas | 455 | Ireland | Sep. 1849 | Jno Campbell, W B Brown | 20 Sep. 1847 | Schuylkill Co |
| Maher | Patrick | 351 | Ireland | Sep. 1844 | Wm Maher, John Campbell | 27 Nov. 1838 | Bradford Co |
| Maher | Thomas Jr | 536 | Ireland | Sep. 1854 | J Hartsock, R Peddicord | 23 Dec. 1851 | Indiana Co. |
| Mahon | James | 309 | Ireland | Dec. 1840 | Saml Highlands, David Cummins | 29 Dec. 1840 | Indiana Co. |
| Mahon | Patrick | 287 | Ireland | Sep. 1839 | Saml Highlands, W Crawford | 28 Sep. 1835 | |
| Mainey | Thomas | 950 | England | 12 Jun. 1901 | D A Gorman, S J Smith | arrived under age | |
| Malcolm | John | 857 | Scotland | Sep. 1878 | Jno Robertson, D Thomas | 16 Sep. 1876 | Indiana Co. |
| Maloy | Francis | 308 | Ireland | Dec. 1840 | Andw Dickson, M Sheridan | 24 Dec. 1838 | Indiana Co. |
| Mangan | Patrick | 578 | Ireland | Sep. 1855 | T J Cantwell, Daniel Maher | 28 Feb. 1853 | Westmoreland Co |
| Mannor | Mathias | 318 | Germany | Sep. 1841 | Francis Gompers, Wm Gompers | 23 Sep. 1839 | Indiana Co. |
| Marion | Peter | 226 | Ireland | Sep. 1835 | Francis Marion | 28 Sep. 1835 | Indiana Co. |
| Market | Valentine | 464 | Germany | Sep. 1850 | Sam'l Seeley, Wm Warsing | 3 May. 1848 | Somerset Co |
| Markey | Mathew | 611 | Ireland | Sep. 1856 | Aaron Norris, D McCune | 3 Jul. 1854 | Indiana Co. |
| Marshall | Godfrey | 767 | Germany | Sep. 1866 | A & J C Stadtmiller | ||
| Marshall | Robert | 48 | Ireland | Sep. 1809 | James Smith | ||
| Martin | John | 162 | Ireland | Oct. 1824 | Wm Parker | Apr. 1820 | Indiana Co. |
| Martin | John | 630 | Ireland | Sep. 1856 | D Maher, P O Conner | ||
| Martin | Thomas | 129 | Ireland | Mar. 1819 | Louther | 11 Dec. 1815 | |
| Martin | William | 204 | Ireland | Sep. 1832 | Samuel Barr Jr & Sr | ||
| Martin | William | 425 | Ireland | Dec. 1847 | Heth F Camp, Dan'l Hopkins | 24 Sep. 1844 | Indiana Co. |
| Martin | William | 521 | Ireland | Jul. 1854 | Elijah Odell, Wm McCracken | 24 Sep. 1850 | Indiana Co. |
| Mathews | Arch | 5 | Ireland | Mar. 1807 | Isaac Rodgers | ||
| Matson | Jno Jr | 102 | Ireland | Jan. 1814 | Moses Knap | ||
| Maull | John | 296 | Germany | Sep. 1840 | Jacob Burkett, Jas Chambers | 28 Mar. 1837 | Indiana Co. |
| Maull | Nicholas | 385 | Germany | Sep. 1846 | James Cochran, John Maull | 23 Sep. 1844 | Indiana Co. |
| Maxwell | William | 386 | Ireland | Sep. 1846 | Andw Donnell, Jno C Armor | 23 Sep. 1844 | Indiana Co. |
| McAlmeel | John | 503 | Ireland | Sep. 1853 | M Sweeney, P Mulvihill | 26 Dec. 1849 | Indiana Co. |
| McAuley | Isaac | 420 | Scotland | Sep. 1847 | Wm Ligat, Arch McCoy | 12 Oct. 1840 | Allegheny Co, MD |
| McAvoy | Dennis | 581 | Ireland | Sep. 1855 | D Maher, T J Cantwell | 20 Nov. 1851 | Westmoreland Co |
| McBeth | James | 183 | Ireland | Oct. 1829 | Dan'l Stannard, Joshua Marlin | 27 Jun. 1826 | Indiana Co. |
| McBride | Patrick | 202 | Ireland | Sep. 1832 | Hugh Galbraith | 30 Sep. 1830 | Indiana Co. |
| McCaffery | James | 182 | Ireland | Sep. 1829 | Robert Nixon, Hugh Brady | 24 Aug. | Lancaster |
| McCahan | James | 184 | Ireland | Dec. 1829 | Math Skelton | 21 Dec. 1826 | Indiana Co. |
| McCann | Hugh | 452 | Ireland | Jun. 1849 | David Stewart, David Wakefield | 29 Jun. 1847 | Indiana Co. |
| McCann | James | 260 | Ireland | Mar. 1838 | Wm McCann, Sam'l Wiggins | 27 Mar. 1836 | Indiana Co. |
| McCann | Mark | 319 | Ireland | Sep. 1841 | James Rea, Robt Simpson | 27 Mar. 1838 | Indiana Co. |
| McCarthey | Michael | 510 | Ireland | Oct. 1853 | M McSweeney, Ed O'Conner | 28 Jun. 1850 | Indiana Co. |
| McClarnan | Jno | 146 | Ireland | Sep. 1821 | John Wallace | 14 Sep. 1818 | Indiana Co. |
| McClure | John | 213 | Ireland | Sep. 1835 | Jas McCahan | 17 Dec. 1830 | Huntingdon Co. |
| McColgin | Daniel | 342 | Ireland | Sep. 1844 | Peter Empfield, Michael Strong | Dec. 1841 | Indiana Co. |
| McCollom | Francis | 88 | Ireland | Sep. 1813 | Jos Wilson | ||
| McCoy | Alexander | 376 | Ireland | Mar. 1846 | Thos Askin, Jas Dunwoody | 28 Mar. 1842 | Indiana Co. |
| McCoy | John | 480 | Ireland | Dec. 1851 | W M Stewart, D B Gibson | 26 Sep. 1848 | Indiana Co. |
| McCracke | James | 481 | Ireland | Dec. 1851 | Wm McCracken, S Moorhead | 28 Dec. 1847 | Indiana Co. |
| McCreary | Andiv | 41 | Ireland | Jun. 1809 | Wm Crawford | ||
| McCreary | William | 46 | Ireland | Sep. 1809 | Alex Lyons | ||
| McCune | David | 123 | Ireland | Sep. 1818 | Wm Clarke | ||
| McCune | George | 295 | Ireland | Mar. 1840 | Thos Bogle, Joseph Butler | ||
| McCune | William | 246 | Ireland | Sep. 1836 | Wm Hadden, Wm Sweeney | 23 Sep. 1834 | Indiana Co. |
| McCurdy | John | 322 | Ireland | Oct. 1841 | Wm Houston, David Ralston | ||
| McCurdy | Robert | 118 | Ireland | Sep. 1817 | Sam'l McCurdy | ||
| McCurdy | Samuel | 89 | Ireland | Sep. 1813 | Thos Pollock | ||
| McDermott | Francis | 640 | Ireland | Sep. 1856 | M Eason, D Hinberry | 22 Feb. 1851 | Westmoreland Co |
| McDonald | John | 302 | England | Sep. 1840 | L S Waterman, John Coad | 14 Oct. 1835 | Allegheny Co, MD |
| McElwee | John | 860 | Ireland | Jun. 1880 | Thos & Jos McElwee | 3 Dec. 1877 | Indiana Co. |
| McElwee | Thomas | 803 | Ireland | Sep. 1869 | Jacob Wesmer, Wm Paul | 25 Dec. 1861 | Indiana Co. |
| McEvoy | Frank T | 808 | Ireland | Oct. 1869 | W Vogel, J C Stadtmiller | ||
| McEwen | John | 192 | Ireland | Dec. 1830 | Dan'l Stannard, Andw Weamer | 25 Jun. 1823 | Indiana Co. |
| McEwin | Andrew | 853 | Scotland | Dec. 1877 | C C Davis, J M Hosack | 27 May. 1872 | Armstrong Co |
| McFarland | William | 147 | Ireland | Jun. 1822 | Gawin Sutton | ||
| McGarvin | George | 87 | Ireland | Sep. 1813 | David Reid | ||
| McGillan | Thomas | 824 | Ireland | Jun. 1874 | Jno McLaren, Geo R Lewis | ||
| McGraw | Luke | 576 | Ireland | Sep. 1855 | Jno Cantwell, P Mangan | 23 Sep. 1851 | Indiana Co. |
| McGrennor | Patrick | 784 | Ireland | Sep. 1868 | D G Gorman, Jno M Ray | 25 Dec. 1854 | Indiana Co. |
| McKee | David | 297 | Ireland | Sep. 1840 | James Elliott, A Phillips | 25 Sep. 1838 | Indiana Co. |
| McKee | John | 449 | Ireland | Jun. 1849 | Sam'l McL???, John McClaran | 23 Mar. 1847 | Indiana Co. |
| McKeown | John | 326 | Ireland | Sep. 1842 | Wm Barker, Edward Carlton | 8 May. 1840 | Allegheny Co |
| McKinley | John | 34 | Ireland | Sep. 1808 | Andiv Lowers | ||
| McKissen | Robert | 30 | Ireland | Sep. 1808 | John Allison | ||
| McKnight | Alex | 19 | Ireland | Mar. 1808 | Jas McKnight | ||
| McLain | Daniel | 255 | Ireland | Jun. 1837 | J B Martin, David Mack | 24 Dec. 1834 | Indiana Co. |
| McLaran | Hugh | 573 | Ireland | Jun. 1855 | Geo McCann, Charles O'Neil | 27 Dec. 1852 | Indiana Co. |
| McLaren | John | 812 | Ireland | Jun. 1871 | S M Clark, J M Thompson | 2 Jan. 1869 | Indiana Co. |
| McLaughli | Daniel | 25 | Ireland | Sep. 1808 | Wm Hamilton | ||
| McLean | Archibald | 275 | Ireland | Sep. 1838 | Meek Kelly, John McClarnen | 1 Oct. 1825 | Indiana Co. |
| McLean | William | 370 | Ireland | Sep. 1845 | James Elliott, Eph W McKelvey | 1 Oct. 1825 | Indiana Co. |
| McLeary | Thomas | 211 | Ireland | Sep. 1838 | John McClarnen | ||
| McLiesh | David | 189 | Scotland | Jan. 1830 | Wm McKee | 1 Apr. 1826 | Indiana Co. |
| McLoskey | John | 388 | Ireland | Sep. 1846 | Wm McCracken, J McKnight | 27 Sep. 1844 | Indiana Co. |
| McManus | John | 568 | Ireland | Jun. 1855 | J S Waterson, C Cunningham | ||
| McManus | Peter | 363 | Ireland | Sep. 1844 | Edw Dulley, John Peters | 26 Sep. 1844 | Indiana Co. |
| McManus | William | 629 | Scotland | Sep. 1856 | T J Cantwell, John Roberts | 5 Mar. 1850 | Orange Co, NY |
| McMeans | Archibald | 135 | Ireland | Mar. 1820 | Jos Henderson | ||
| McMeans | William | 285 | Ireland | Dec. 1838 | James Kier, Wm C Marshall | 27 Dec. 1836 | Indiana Co. |
| McMullen | Enos | 107 | Ireland | Mar. 1815 | Jacob Burgoon | ||
| McNeal | James | 39 | Ireland | Jun. 1809 | John Henderson | ||
| McNeilly | Jerry | 431 | Ireland | Jun. 1848 | John Peters, John White | 23 Jun. 1845 | Indiana Co. |
| McNutt | James | 124 | Ireland | Sep. 1818 | John Wakefield | ||
| McRovey | John | 239 | Ireland | Dec. 1815 | James Elliott | 27 Mar. 1827 | Indiana Co. |
| Meekins | Thomas | 631 | England | Sep. 1856 | J Buterbaugh, J C Repine | 30 Mar. 1854 | Indiana Co. |
| Menoskey | John | 906 | Austria | 6 Nov. 1894 | J W Smith, Dan'l Ruffner | 8 Dec. 1891 | Indiana Co. |
| Menovske | Michael | 917 | Austria | 9 Jun. 1896 | Joe Menovsky, A L Smith | came to this country at age 17 | |
| Metz | John | 352 | France | Sep. 1844 | Geo Silvers, W Youngblood | 24 Sep. 1844 | Indiana Co. |
| Metz | Joseph | 353 | France | Sep. 1844 | Geo Silvers, W Youngblood | 24 Sep. 1844 | Indiana Co. |
| Metz | Joseph | 367 | France | Dec. 1844 | Geo Silvers, Jno Altemus | ||
| Metz | Peter A | 487 | Germany | Jul. 1852 | Casper Christ, B Wherle | 7 Jun. 1847 | Allegheny Co |
| Middlemis | Nathaniel | 789 | GB & Irela | Oct. 1868 | Alex Littster, Jos Thompson | ||
| Milko | Joe | 919 | Austria | 9 Jun. 1896 | Joe Menovsky, A L Smith | 20 Oct. 1892 | Indiana Co. |
| Miller | Angus | 436 | Canada | Sep. 1848 | Wm Lowman, James Beatty | ||
| Miller | Augustus | 458 | Saxony | Sep. 1850 | Jos Anderson, Wm Fulton | ||
| Miller | Christian | 684 | Germany | Sep. 1859 | Jas T Kelly, Charles Hess | Jun. 1855 | Indiana Co. |
| Miller | Ewen | 354 | Canada | Sep. 1844 | James Miller, John Beatty | 24 Sep. 1844 | Indiana Co. |
| Miller | Henry | 688 | Germany | Jan. 1860 | D Cribs, Jno Sweezy | 25 Jun. 1855 | Indiana Co. |
| Miller | James | 173 | Ireland | Sep. 1827 | William Lucas | 1824 | Indiana Co. |
| Miller | James | 341 | Canada | Sep. 1844 | Jas Miller, Jno Fairman | 23 Sep. 1844 | Indiana Co. |
| Miller | Nicholas | 675 | Germany | Apr. 1859 | John Steinmetz, Geo Stadtmiller | 27 Dec. 1851 | |
| Miller | Robert | 54 | Ireland | Jun. 1810 | Robert Henry | ||
| Millhouser | Abr'm | 488 | Germany | Jul. 1852 | C Millhouser | ||
| Milliken | Robert | 907 | Canada | 7 May. 1894 | Jos W Clements, S L Loughrey | May | Indiana Co. |
| Mills | Arthur | 409 | Ireland | Jun. 1847 | Sam'l St Clair, Sam'l Mathews | 12 Oct. 1840 | Allegheny Co, MD |
| Mills | John | 225 | Ireland | Sep. 1835 | Elias Gilhousen | 26 Sep. 1833 | Indiana Co. |
| Moat | James | 108 | Ireland | Apr. 1815 | Samuel Hall | ||
| Mohr | Frederick | 534 | Germany | Sep. 1854 | C B Campbell, Wm Tintoff | 27 Dec. 1851 | Indiana Co. |
| Mohr | Henry Fd | 642 | Germany | Sep. 1856 | Fred Mohr | 11 Aug. 1853 | New York City |
| Monagen | Thomas | 153 | Ireland | Jun. 1823 | John Sherman | 26 Jun. 1820 | Indiana Co. |
| Monaghan | Peter | 394 | Ireland | Oct. 1846 | M Downey, Jno Sweeney | 30 Mar. 1837 | Indiana Co. |
| Montgome | James | 155 | Ireland | Sep. 1823 | Blearney Adair | ||
| Mooney | Daniel | 850 | Ireland | Sep. 1876 | A Davis, G Slear | ||
| Moore | Joseph | 937 | England | 16 Mar. 1898 | J H Burtt, Al Dugan | arrived in the country at age 18 | |
| Moore | Lawrence | 554 | Ireland | Jan. 1855 | M Hovan, Owen Lamb | 21 Feb. 1847 | Westmoreland Co |
| Morgan | Thomas | 843 | Wales | Sep. 1876 | M Rees, Wm Hopkins | 20 Aug. 1860 | Allegheny Co, MD |
| Morrison | John W | 882 | England | 7 Sep. 1886 | Thomas Hindmant, Thomas Barnes | 1 Oct. 1880 | Schuylkill Co |
| Morrison | William | 168 | Ireland | Dec. 1825 | John Kennedy | 24 Dec. 1822 | Jefferson Co |
| Morrow | John | 127 | Ireland | Dec. 1818 | John Pattison | 12 Dec. 1815 | |
| Mullen | John | 241 | Ireland | 25 Mar. 1834 | Indiana Co. | ||
| Muller | Joseph | 513 | France | Dec. 1853 | A Stadtmiller, John Young | 24 Dec. 1851 | Indiana Co. |
| Mulvehill | Francis | 243 | Ireland | Sep. 1836 | Peter Mulvehill | 26 Sep. 1836 | Indiana Co. |
| Mulvehill | Michael | 314 | Ireland | Sep. 1841 | Patrick Hanlon, Patrick Mulvehill | 26 Dec. 1838 | Indiana Co. |
| Mulvehill | Michael C | 601 | Ireland | Jun. 1856 | P Mulvehill, Adam Lowry | 28 Jun. 1853 | Indiana Co. |
| Mulvehill | Patrick | 315 | Ireland | Sep. 1841 | Wm Glass, Patrick Hanlon | 28 Jun. 1836 | Indiana Co. |
| Mulvehill | Peter | 178 | Ireland | Sep. 1828 | John Stewart | 15 Aug. 1821 | Huntingdon Co. |
| Mulvehill | Peter R | 713 | Ireland | Sep. 1860 | P Mulvehill, S Douthitt | 25 Sep. 1855 | Indiana Co. |
| Mulvehill | Thomas R | 600 | Ireland | Jun. 1856 | P Mulvehill, Adam Lowry | 28 Sep. 1852 | Indiana Co. |
| Murphy | James | 609 | Ireland | Sep. 1856 | P Mangan, Luke McGraw | 1 Jun. 1854 | Belmont Co OH |
| Murphy | John | Ireland | Sep. 1821 | Michael Dodson | 14 Sep. 1818 | Indiana Co. | |
| Murry | Michael | 692 | Wales | Sep. 1876 | M Rees, Wm Hopkins | 20 Aug. 1860 | Allegheny Co, MD |
| Muth | William | 759 | Germany | Jun. 1866 | C H Machel, H Peffer | 27 Sep. 1858 | Indiana Co. |
| Myers | Edward | 582 | Ireland | Sep. 1855 | C C Davis, J S Watterson | 29 Jun. 1853 | Indiana Co. |
| Myers | William | 519 | Germany | Jul. 1854 | Jno B Young, C Whissel | 3 Jul. 1854 | Indiana Co. |
| Nagel | John | 599 | Germany | May. 1856 | Peter A Metz | 31 Mar. 1854 | Indiana Co. |
| Neah | Ephraim | 462 | Prussia | Mar. 1850 | John Young, A Stadtmiller | 1 Jan. 1848 | Indiana Co. |
| Nealer | John | 586 | Germany | Dec. 1855 | Jno B Young, Henry Nealer | 8 Dec. 1848 | Clarion Co |
| Nelson | Frank A | 931 | Sweden | 6 Sep. 1897 | J M Ruffner, H Barker | 6 Sep. 1897 | Glen Campbell |
| Ness | John | 856 | Prussia | Sep. 1878 | Andw Ness, H C Rink | 14 Dec. 1874 | Indiana Co. |
| Ness | John G | 628 | Germany | Sep. 1856 | H B Poddock, Wm Juns | 6 Jun. 1853 | Cambria Co |
| Newbrand | Jno G | 413 | Germany | Jun. 1846 | Wm Johnston, Moses Wilhelm | 22 Sep. 1841 | Armstrong Co |
| Nibert | Michael | 765 | Germany | Sep. 1866 | A Stadtmiller, Peter A Metz | ||
| Nichols | William H | 827 | Canada | Dec. 1875 | S W Dripps, S Nunamaker | ||
| Nickle | Archibald | 477 | Ireland | Sep. 1851 | Jas D Baldwin, Thos Allison | ||
| Nixon | Robert | 62 | Ireland | Dec. 1810 | Saml Douglass | ||
| Nolan | Murtha | 537 | Ireland | Sep. 1854 | John Peters, Thos Adams | 24 Sep. 1850 | Indiana Co. |
| Nolf | John | 814 | Germany | Sep. 1871 | Jno E Hill, A W Mervin | ||
| North | William | 913 | Great Brita | Jun. 1895 | Wm & J W Smith | 20 Oct. 1892 | Indiana Co. |
| Northwood | Carl | 943 | England | 9 Mar. 1899 | Franklin Sanson, J C McGregor | 6 Feb. 1894 | Lawrence Co |
| Notley | John | 380 | Ireland | Jun. 1846 | Heth F Camp, Wm White | 24 Oct. 1839 | Indiana Co. |
| Nowry | James | 125 | Ireland | Sep. 1814 | John Gray | ||
| Oaks | Edward | 230 | Ireland | Sep. 1835 | D Lichenthaler, Jos Loughry | ||
| Oaks | Samuel | 229 | Ireland | Sep. 1835 | D Lichenthrler, Jos Loughry | ||
| O'Brien | Henry | 623 | Ireland | Sep. 1856 | Pat O'Conner, D Maher | ||
| O'Brien | Michael | 749 | Ireland | Jan. 1864 | John Wiley, W R Sloan | 24 Mar. 1858 | Indiana Co. |
| O'Brien | Patrick | 541 | Ireland | Sep. 1854 | Isaac Hicks, W A J Watterson | 28 Sep. 1852 | Indiana Co. |
| O'Brien | Thomas | 663 | Ireland | Jun. 1858 | G W Smith, A Bartlebaugh | 16 Jun. 1856 | Indiana Co. |
| O'Donnell | Patrick | 212 | Ireland | Dec. 1833 | Jno A McMullen, S L Morford | 28 Dec. 1831 | Indiana Co. |
| O'Harra | James | 615 | Ireland | Sep. 1856 | Jno O'Haro, Pat Smith | 7 Sep. 1852 | Cambria Co |
| O'Harra | John | 603 | Ireland | Jun. 1856 | M Boner, Luke McGraw | 17 Mar. 1853 | Cambria Co |
| O'Harra | Joseph | 274 | Ireland | Sep. 1838 | Samuel Lyons, James Keir | 29 Dec. 1835 | Indiana Co. |
| Oligar | John | 379 | France | Jun. 1846 | Andrew Lowman, Daniel Overdorf | 29 Mar. 1844 | Indiana Co. |
| Oliver | James | 72 | Ireland | Dec. 1811 | James Smith | ||
| O'Neal | Patrick | 208 | Ireland | Sep. 1833 | Daniel O'Neal | 25 Jun. 1822 | Indiana Co. |
| O'Neal | Thomas | 634 | Ireland | Sep. 1856 | Pat O'Conner, D Maher | 25 Oct. 1852 | Blair Co |
| O'Neal | William | 635 | Ireland | Sep. 1856 | P Langin, T J Cantwell | 28 Jun. 1851 | Blair Co |
| O'Neil | Bernard | 476 | Ireland | Jun. 1851 | P Mulvihill, Christ Keller | 22 Jun. 1840 | Indiana Co. |
| O'Neil | Henry | 756 | Ireland | Sep. 1865 | L Keslar | ||
| O'Prien | James F | 804 | Ireland | Sep. 1869 | H W Weir, J M Thompson | 23 Sep. 1867 | Indiana Co. |
| Orr | James | 139 | Ireland | Sep. 1821 | Andrew Speddy | 24 Sep. 1817 | Indiana Co. |
| Orr | James | 195 | Ireland | Mar. 1831 | Joshua Marlin | 11 Sep. 1817 | Indiana Co. |
| Ortner | John M | 766 | Germany | Sep. 1866 | Peter A Metz, A Stadtmiller | 11 May. 1857 | Westmoreland Co |
| Oske | Martin S | 888 | Germany | Sep. 1889 | Wm Patterson, D W Swigart | 13 Sep. 1889 | Indiana Co. |
| Overman | Joseph | 830 | Germany | Sep. 1876 | M Hoffman, J W Duncan | 26 Sep. 1871 | Indiana Co. |
| Owen | Morris | 261 | Wales | Mar. 1838 | Ebenezer Brady, Joshua Davis |
Indiana County, PA