| Surname | Given names | Year | Article Most Recent Common Ancestor (MRCA) if confirmed |
| Ikonen Drisch Despain Easley | Mamie Louise | 2003 | “Mamie Easley,” obituary, Victoria Advocate (Victoria, Texas), 15 Mar 2003, p. 7, col. 3. Spouse of George Freeman Easley, KFH MRCA: Benjamin Faulkner |
| Ireland Watkins | Sarah Elizabeth | 1910 | “Obituary–Sarah E. Ireland,” obituary, Whiting Journal (Whiting, Kansas), 16 Dec 1910, p. 1, col. 2. Daughter of James M. Ireland Hepzibah G. Blanchard |
| Irvin | Robert Paul | 2001 | “Robert Paul Irvin, 61,” obituary, Salina (Kansas) Journal, 22 Jan 2001. Spouse. KFH MRCA: John T. Seagraves and Elizabeth Seagraves |
| Irwin | James | 1898 | Commemorative biographical record of central Pennsylvania including the Counties of Centre, Clearfield, Jefferson and Clarion Containing Biographical sketches of prominent citizens, etc. Illustrated (Chicago, Illinois, J. H. Beers & co., 1898), p. 1438-1439, James Irwin. |
| Irwin Clifford | Mary Ann | 1886 | “Sycamore Township, William Clifford and M A Clifford” property tax news article, South Kansas Tribune (Independence, Montgomery County, Kansas) 4 Aug 1886, p. 4, col. 3. KFH MRCA: Mary Ann Irwin Clifford (direct line) |
| Irwin Clifford | Mary Ann | 1905 | “Mrs. Mary A. Clifford,” obituary, South Kansas Tribune (Independence, Montgomery County, Kansas), 22 Mar 1905, p. 2, col. 4. KFH MRCA: Mary Ann Irwin Clifford (direct line) |
| Irwin Tanner | Zelma | 1997 | “Zelma Tanner,” obituary, Fort Worth Star-Telegram (Fort Worth, Texas), 15 Jul 1997, p. 19, col. 4. Daughter of Rafe Stakeland Irwin and Anna Lou Higgins |
| Iseman | Jesse Elliott | 1964 | “Jesse Iseman Dies, Rites Set,” obituary, Paducah Sun (Paducah, McCracken County, Kentucky), 3 Jul 1964, p 3, col 5. Spouse of Lilah Pool, KFH MRCA: Hutchins Burton Faulkner and Elizabeth Gray |
