| LAST NAME | FIRST NAME | COUNTY | STATE | DATE | VOL. | PAGE |
| IFFRIG | Regina | V | 5 | |||
| IFFRIG | Regina | III | 57 | |||
| IHRIG | Bertha M. | Allen | KS | B: 17 Dec 1893 | II | 53 |
| IHRIG | Albert W. | Lancaster | PA | B: 10 Mar 1868 | II | 53 |
| IHRIG | Marita F. | Hickory | MO | B: 20 Feb 1906 | III | 75 |
| IHRIG | William L. | Benton | MO | B: 12 Aug 1872 | III | 75 |
| IHRIG | John B. | Miami | IN | B: 09 Aug 1843 | III | 75 |
| IIAMS | Henrietta | Davidson | NC | B: 29 Aug 1846/47 | VII | 017 |
| IIAMS | George W. | Davidson | NC | B: 04 Aug 1817 | VII | 017 |
| ILGENFRITZ | Catherine E. | York | PA | B: 08 Jan 1755 | VI | 183 |
| IMBERG | Anna M. | Sweden | B: 19 Sep 1849 | II | 118 | |
| IMBERG | Olof A. | Sweden | B: 26 Dec 1806 | II | 118 | |
| IMBLER | Agnes | Wasco | OR | B: 03 Nov 1869 | IV | 110 |
| IMBODEN | Anna E. | Maries | MO | B: 08 Nov 1860 | II | 164 |
| IMBODEN | George | Augusta | VA | B: 29 Mar 1820 | II | 164 |
| IMBODEN | Anna E. | Maries | MO | B: 08 Nov 1860 | II | 165 |
| IMBODEN | George | Augusta | VA | B: 29 Mar 1820 | II | 165 |
| IMBODEN | John | PA | B: ca. 1780 | II | 165 | |
| IMBODEN | John | PA | B: 12 Oct 1765 | II | 165 | |
| IMBODEN [?] | John S. | Canton Berne | Switzerland | B: 23 Oct 1733 | II | 165 |
| INGMAN | Sophia P. | Fairfield | OH | B: 22 Apr 1861 | III | 82 |
| INGMAN | Henry E. | Fairfield | OH | B: 20 Mar 1823 | III | 82 |
| INGOLD | Judy Belle | Howell | MO | B: 07 Oct 1945 | V | 117 |
| INGOLD | Virgil Henry | Howell | MO | B: 07 Feb 1915 | V | 117 |
| INGOLD | Hiram C. | Howell | MO | B: 13 Aug 1872 | V | 117 |
| INGOLD | William M. | NC | B: 01 Jan 1828 | V | 117 | |
| INMAN | Matilda C. | Madison | AL | B: 1820 | IV | 104 |
| INMAN | Hester A. | IN [?] | B: 30 Oct 1864 | VII | 139 | |
| INMAN | John M. | B: ca. 1842 | VII | 139 | ||
| IRELAND | Mary E. | OH [?] | B: 03 Apr 1851 | VII | 107 | |
| IRELAND | William | VII | 107 | |||
| IRELAND, Mrs. | Delilah | VII | 107 | |||
| IRICK | Susan E. | Marion | IN | B: 19 Jan 1840 | I | 306 |
| IRVIN | Mary J. | KY | B: 23 Dec 1832 | IV | 195 | |
| IRVINE | Ella V. | Pike | MO | B: 20 Apr 1861 | I | 59 |
| IRVINE | John | I | 59 | |||
| IRWIN | Martha E. | Sangamon | IL | B: 27 Feb 1837 | II | 136 |
| IRWIN | Christina A. | Cedar | MO | B: 19 Jul 1849 | III | 200 |
| IRWIN | Christina A. | Cedar | MO | B: 19 Jul 1849 | IV | 079 |
| ISBELL | Tillie M. | Wayne | KY | B: 09 Jan 1885 | IV | 162 |
| ISBELL | George A. C. | Wayne | KY | B: 30 May 1857 | IV | 162 |
| ISBELL | Thomas | VA or SC | B: ca. 1784 | IV | 162 | |
| ISENHART | Elizabeth E. | Jackson | KS | B: 10 Jun 1855 | VI | 6 |
| ISENHART | Jacob E. | Allegany | MD | B: 16 Sep 1830 | VI | 6 |
| ISGRIG | Dorothy E. | Montgomery | MO | B: After 1910 | VI | 72 |
| ISGRIG | Frederick W. | Knox | IL | B: 10 Mar 1873 | VI | 72 |
| ISGRIG | Hiram | Marion [?] | IN | B: 25 Jun 1849 | VI | 72 |
| ISGRIGG | Daniel | Hamilton [?] | OH | B: ca. 1820 | VI | 72 |
| ISHMAIL | Eliza E. | Cass | IL | B: 27 Aug 1854 | II | 34 |
| ISON | Elizabeth A. | Jefferson | KY | B: 29 Sep 1850 | V | 153 |
| ISON | Elizabeth A. | Jefferson | KY | B: 29 Sep 1850 | V | 156 |
| ISON | Schuyler S. | VA | B: 04 Jan 1820 | V | 156 | |
| ISTRE | Geneva | Caddo | LA | B: After 1910 | VI | 10 |
| ISTRE | Raymond W. | LA | B: 12 Jun 1896 | VI | 10 | |
| ISTRE | David | St. Landry | LA | B: 22 Jun 1862 | VI | 10 |
| ISTRE | Agustave | B: 27 Dec 1837 | VI | 10 | ||
| IVEY | Adaline Jane | Mclean | IL | B: 20 May 1846 | V | 29 |
| IVIE | Matilda C. | Fulton | AR | B: 15 Apr 1888 | V | 183 |
| IVIE | Franklin N. | B: Jan 1855 | V | 183 |