Probate Court Index "I–K"
| Surname | First | File No. |
| Immel | Barbara | 1839 1/2 |
| Immel | Michael | 1942 |
| Immler | Adam G | 1069 |
| Indermueali | Jacob | 747 |
| Infield | John | 190 |
| Irvine | James S | 98 |
| Isely | Christian | 458 |
| Ittner | Godfrey | 1044 |
| Itzenhizer | Henry | 624 |
| Jaberg | Mary | 1801 |
| Jaberg | Nicholas | 1405 |
| Jackson | Eliza Jane | 434 |
| Jackson | Jane | 1894 |
| Jacobs | Lucy | 2091 |
| Jamison | John | 192 |
| Jamison | William | 236, 375 |
| Jeanvoine | August | 1679 |
| Jeanvoine | Peter | 2094 |
| Jeffries | John V | 678 |
| Johns | Eliza | 1084 |
| Johnson | Andrew J | 143 |
| Johnson | E T | 2068 |
| Johnson | Henry | 152 |
| Johnson | Levi | 567 |
| Johnson | Magdalena | 1830 |
| Johnson | Prelate D A | 371 |
| Johnson | William | 17, 1140, 1822 |
| Johnston | James S | 577 |
| Jolley | James S | 748 |
| Jolly | William H | 225 |
| Jones | Elijah | 1164 |
| Jones | John | 364, 1383, 1922 |
| Jones | Nathaniel | 25 |
| Jones | Sarah E | 1318, 1385 1/2 |
| Jones | William | 990 |
| Jordan | John | 354 1/2 |
| Jorden | George | 148 |
| Jorden | Mathew | 796 |
| Joss | Barbara | 405 |
| Joss | John F | 2074 |
| Joss | N F | 1212 |
| Joyce | Howard | 362 |
| Juberg | Albert | 2306 |
| Juif | Stephen | 1419 |
| Juifs | Stephen | 940 |
| Kaiser | John J | 1627 |
| Kalmbach | John Michael | 1045 |
| Kanavel | Jacob | 651 |
| Kandle | John | 968 |
| Kandle | John J | 968 |
| Karch | Frederick | 1102 |
| Karch | George | 1975 |
| Kaser | Edwin | 561 |
| Kate | Wiliam | 216 |
| Kauffman | John | 1934 |
| Kauffman | Moses A | 1561 |
| Kaufman | Jacob | 35 1/2 |
| Kaufman | Peter | 532 |
| Keck | Simon | 1683 |
| Keifaber | Jacob | 1721, 1767 |
| Keim | Aaron | 256 |
| Keim | Joseph | 135 |
| Keim | Solomon | 50 |
| Keister | Shuman | 1718 |
| Keller | Aaron | 824, 1248 |
| Kelly | Harriet A | 1400 |
| Kelly | Samuel | 52 |
| Kelser | John | 450 |
| Kelsey | Cyrus | 501 |
| Kendall | Abraham | 1426 |
| Kendle | John | 1314 |
| Kent | Amanda | 1610 |
| Kent | Jacob | 601 |
| Kent | Olive | 984 |
| Kepler | John | 212 |
| Kerns | John | 2017 |
| Kerr | Andrew | 1324 |
| Kerr | George | 833 |
| Kerr | John Sr | 2073 |
| Kerr | Joseph | 112 |
| Kerr | Margaret | 2084 |
| Kerr | Sarah | 2066 |
| Kesler | Lewis | 1412 |
| Kick | Frederick | 1218 |
| Kidd | Andrew | 831 |
| Kidd | Eliza B | 1902 |
| Kidd | Eliza J | 748 1/2 |
| Kidd | James S | 799 |
| Kidd | Lawson | 602 |
| Kiebauh | Christian | 998 |
| Kiebauh | William | 995 |
| Kier | William | 166 |
| Kiger | Almeda K | 1918 |
| Kiger | David | 1476 |
| Kiger | Louisa | 1913 |
| Kilgore | Alexander | 1343 |
| Kilmer | Henry | 1493 |
| Kimble | Lavina | 978 |
| Kindig | Mary A | 1602 |
| Kindig | Rudalph | 1146 |
| Kiner | Jacob | 1432 |
| King | Enos B | 1471 |
| Kinnerer | Andrew | 1121 |
| Kirkendall | C C | 1573 |
| Kiser | Catherine | 1814 |
| Kiser | Jacob | 254 |
| Klass | Frederick | 1624 |
| Kline | Isaac B | 1533 |
| Kline | Jane | 2048 |
| Kline | John Sr | 510 |
| Kline | Michael | 1147 |
| Knepp | John | 584 |
| Knight | Margaret et al | 33 |
| Knopp | Frederick | 2072 |
| Knox | John | 424 |
| Knox | Martin | 1698 |
| Knox | Robert | 1842 |
| Knox | Samuel | 1491 |
| Koch | John E | 1013 |
| Koch | Maria S | 1667 |
| Koehler | Ernest | 958 |
| Koehler | Henry | 1399 |
| Koehler | Sebastian | 115, 288 |
| Koenig | Jacob | 1657 |
| Korn | Charlers | 1183 |
| Korn | John | 863 |
| Korn | John J | 1757 |
| Korn | Jonathan | 114 |
| Korns | Charles | 861 |
| Korns | William | 363 |
| Kramer | John P | 841 |
| Kratsch | Gustena | 1026 |
| Kreger | Joseph B | 1274 |
| Kremer | John | 836 |
| Kuehn | Godfrey | 165 1/2 |
| Kuenzli | John | 1518 |
| Kuenzli | Samuel | 392 |
| Kuffman | Abraham J | 2093 |
| Kuhn | John Sr | 1931 |
| Kuhns | Tobias | 1261 |
| Kulp | Jacob | 182 |
| Kurtz | John Y | 1769 |