| Last Name | Given Name | Year | Page |
| Icenhowr | Mary | 1825 | 204 |
| Irwin | Andrew | 1826 | 210 |
| Irwin | James, Jr | 1829 | 231 |
| Irwin | John | 1795 | 151 |
| Irwin | Lawrence | 1787 | 54 |
| Iseman | Elizabeth | 1829 | 228 |
| Iseman | Peter | 1817 | 107 |
| Iseman | Peter | 1802 | 146 |
| Isett | Henry | 1829 | 242 |
| Isherwood | Frances | 1785 | 121 |
| Jack | John | 1815 | 98 |
| Jack | William (Esq) | 1829 | 229 |
| Jameson | John | 1791 | 64 |
| Jameson | Samuel | 1785 | 49 |
| Jamison | Allen | 1813 | 82 |
| Jamison | William | 1800 | 136 |
| Jenkins | Thomas | 1803 | 148 |
| Joans | Thomas | 1809 | 65 |
| Johnston | James | 1780 | 23 |
| Johnston | Robert | 1816 | 103 |
| Johnston | Simon | 1827 | 215 |
| Jones | Archibald | 1787 | 56 |
| Jones | John | 1782 | 35 |
| Jordan | Samuel | 1809 | 67 |
| Jordan | Thomas | 1828 | 221 |
| Kain | James | 1796 | 126 |
| Kearns | Michael | 1778 | 11 |
| Kebler | George | 1816 | 104 |
| Keck | George | 1815 | 100 |
| Keck | Henry | 1813 | 81 |
| Keck | Philip | 1808 | 172 |
| Keenan | Edward | 1829 | 229 |
| Keith | Isaac | 1778 | 10 |
| Kelan | Washington | 1813 | 88 |
| Kelly | Elizabeth | 1804 | 161 |
| Kelly | James | 1788 | 57 |
| Kelly | James | 1829 | 226 |
| Kelly | Patrick | 1784 | 46 |
| Kelly | Patrick | 1813 | 84 |
| Kelly | Robert | 1808 | 173 |
| Kendricks | Samuel | 1824 | 200 |
| Kep | Nicholas | 1804 | 161 |
| Kepley | Jacob | 1792 | 156 |
| Kepple | Michael | 1821 | 184 |
| Kerns | Joseph | 1779 | 122 |
| Kerns | Nicholas | 1809 | 66 |
| Kerns | Nicholas | 1822 | 187 |
| Kerr | Daniel | 1784 | 44 |
| Kerr | Francis P, Dr | 1825 | 207 |
| Kerr | Mathias | 1800 | 136 |
| Kier | Andrew | 1795 | 150 |
| Kime | Samuel | 1796 | 125 |
| Kimmel | Jacob | 1800 | 136 |
| Kimmel | Michael | 1818 | 114 |
| Kinley | Samuel | 1812 | 75 |
| Kint | Martin | 1830 | 233 |
| Kintz | John | 1828 | 218 |
| Kirk | James | 1814 | 93 |
| Kirkwood | Archibald | 1818 | 116 |
| Kistler | Samuel | 1830 | 234 |
| Klingensmith | Agness | 1822 | 190 |
| Klingensmith | Andrew | 1800 | 137 |
| Klingensmith | Daniel | 1820 | 181 |
| Klingensmith | Philip | 1781 | 24 |
| Klippinger | Margaret | 1823 | 197 |
| Klunt | John | 1810 | 71 |
| Knappenberge | Barbara | 1823 | 193 |
| Knappenberge | Conrad | 1818 | 117 |
| Knorr | Andrew | 1811 | 72 |
| Knox | Samuel | 1817 | 105 |
| Knox | Samuel | 1826 | 209 |
| Knox | William | 1805 | 160 |
| Konde | Mary | 1818 | 111 |
| Krider | John | 1819 | 118 |
| Krock | John | 1824 | 199 |
| Kuhns | John (Esq) | 1823 | 193 |
| Kunkle | John | 1813 | 88 |
| Kyle | John | 1787 | 56 |
| Kyser | Peter | 1781 | 1 |
| Labit | Ignatis | 1786 | 51 |
| Lackins | David | 1803 | 142 |
| Laffer | Christian | 1796 | 125 |
| Lamb | Mathew | 1782 | 28 |
| Lane | Asa | 1825 | 207 |
| Lang | John | 1825 | 203 |
| Larimer | Hugh Sr | 1828 | 219 |
| Larimore | Elizabeth | 1816 | 101 |
| Latta | John | 1799 | 139 |
| Latta | John | 1802 | 144 |
| Latta | Moses | 1810 | 71 |
| Latta | William | 1803 | 143 |
| Latta | William | 1829 | 228 |
| Lattimore | David | 1826 | 210 |
| Lauson | Thomas | 1819 | 119 |
| Lawrence | Captain | 1796 | 124 |
| Lawyer | John | 1812 | 80 |
| Lealand | Joseph | 1815 | 100 |
| Learn | Andrew | 1807 | 169 |
| Lee | David | 1827 | 218 |
| Leich | James | 1803 | 141 |
| Lemmon | William | 1809 | 65 |
| Lewin | Thomas H. | 1818 | 116 |
| Lewis | Isaia | 1820 | 180 |
| Lewis | Joseph | 1799 | 138 |
| Lewis | Margaret | 1825 | 206 |
| Lewis | Samuel | 1800 | 136 |
| Lewis | Samuel | 1799 | 140 |
| Lightbarn | Benjamin | 1802 | 144 |
| Likes | Thomas | 1814 | 95 |
| Linder | Jacob | 1789 | 58 |
| Lippencott | James | 1819 | 119 |
| Lippencott | John | 1824 | 301 |
| Listone | Abraham | 1790 | 60 |
| Litman | Henry | 1814 | 97 |
| Lloyd | Horatio | 1827 | 217 |
| Lloyd | Joseph | 1820 | 181 |
| Lochry | Archibald | 1782 | 29 |
| Lodge | Benjamin | 1801 | 135 |
| Logan | Joseph | 1828 | 221 |
| Logan | Samuel | 1823 | 195 |
| Long | Elizabeth | 1827 | 216 |
| Long | George | 1779 | 18 |
| Long | Ludwick | 1794 | 152 |
| Lose | Abraham | 1818 | 115 |
| Lose | George | 1818 | 112 |
| Lose | Jacob | 1821 | 186 |
| Loucks | Peter | 1825 | 206 |
| Love | William | 1784 | 43 |
| Lowery | Stephen | 1821 | 183 |
| Lubengire | Georg | 1814 | 92 |
| Lucas | John | 1809 | 174 |
| Luckey | John | 1787 | 55 |
| Luckey | Samuel | 1784 | 45 |
| Lutch | James | 1780 | 21 |
| Lyon | William | 1784 | 46 |
| Lyons | Thomas | 185 | 122 |
Westmoreland County, PA