| Name | Relationship with Wendy Libby | Civil | Canon |
| Ingersoll, Frederick McComiskey | 1st cousin twice removed | VI | 4 |
| Ingersoll, Frederik Traux | 7th cousin 3 times removed | XIX | 11 |
| Ingersoll, Gaylord Bolles | 6th cousin 3 times removed | XVII | 10 |
| Ingersoll, George | 2nd cousin 7 times removed | XIII | 10 |
| Ingersoll, George | 2nd cousin 7 times removed | XIII | 10 |
| Ingersoll, George | 5th cousin 3 times removed | XV | 9 |
| Ingersoll, George | 7th cousin twice removed | XVIII | 10 |
| Ingersoll, George | 8th great-grandfather | X | 10 |
| Ingersoll, George | 7th great-granduncle | XI | 10 |
| Ingersoll, George | 1st cousin 8 times removed | XII | 10 |
| Ingersoll, George | 3rd cousin 6 times removed | XIV | 10 |
| Ingersoll, George | 3rd cousin 6 times removed | XIV | 10 |
| Ingersoll, George | 5th cousin 4 times removed | XVI | 10 |
| Ingersoll, George | 8th cousin | XVIII | 9 |
| Ingersoll, George A. | 7th cousin twice removed | XVIII | 10 |
| Ingersoll, George A. | 8th cousin once removed | XIX | 10 |
| Ingersoll, George Albert | 5th cousin 3 times removed | XV | 9 |
| Ingersoll, George Albert | 7th cousin 3 times removed | XIX | 11 |
| Ingersoll, George Augustus | 6th cousin twice removed | XVI | 9 |
| Ingersoll, George Brastrow | 3rd cousin 5 times removed | XIII | 9 |
| Ingersoll, George Crocker | 5th cousin 4 times removed | XVI | 10 |
| Ingersoll, George Dallas | 7th cousin 3 times removed | XIX | 11 |
| Ingersoll, George Emerson | 5th cousin 3 times removed | XV | 9 |
| Ingersoll, George Goldthwaite | 4th cousin 5 times removed | XV | 10 |
| Ingersoll, George H. | 6th cousin twice removed | XVI | 9 |
| Ingersoll, George H. | 6th cousin twice removed | XVI | 9 |
| Ingersoll, George H. | 8th cousin | XVIII | 9 |
| Ingersoll, George H. | 7th cousin twice removed | XVIII | 10 |
| Ingersoll, George Henry | 6th cousin 4 times removed | XVIII | 11 |
| Ingersoll, George Herbert | 6th cousin twice removed | XVI | 9 |
| Ingersoll, George Herman | 6th cousin 3 times removed | XVII | 10 |
| Ingersoll, George Hodges | 5th cousin 5 times removed | XVII | 11 |
| Ingersoll, George James | 4th cousin 3 times removed | XIII | 8 |
| Ingersoll, George Marshall | 5th cousin 3 times removed | XV | 9 |
| Ingersoll, George Ogg | 4th cousin 5 times removed | XV | 10 |
| Ingersoll, George Parkhurst | 5th cousin 4 times removed | XVI | 10 |
| Ingersoll, George R. | 7th cousin once removed | XVII | 9 |
| Ingersoll, George Ulmore | 4th cousin 5 times removed | XV | 10 |
| Ingersoll, George Ulmore | 5th cousin 4 times removed | XVI | 10 |
| Ingersoll, George W. ( H) | 6th cousin twice removed | XVI | 9 |
| Ingersoll, George W. W. | 6th cousin 3 times removed | XVII | 10 |
| Ingersoll, George Washington | 3rd cousin 5 times removed | XIII | 9 |
| Ingersoll, George Washington | 5th cousin 5 times removed | XVII | 11 |
| Ingersoll, George William | 7th cousin 3 times removed | XIX | 11 |
| Ingersoll, Georgia Ethel | 6th cousin twice removed | XVI | 9 |
| Ingersoll, Gertrude | 8th cousin twice removed | XX | 11 |
| Ingersoll, Gertrude Jennie | 5th cousin 3 times removed | XV | 9 |
| Ingersoll, Gertrude L. | 7th cousin twice removed | XVIII | 10 |
| Ingersoll, Gertrude Rebecca | 6th cousin twice removed | XVI | 9 |
| Ingersoll, Gilbert M. | 6th cousin twice removed | XVI | 9 |