| Name | Relationship with Wendy Libby | Civil | Canon |
| Ingersoll, Herbert C. | 1st cousin twice removed | VI | 4 |
| Ingersoll, Herbert D. | 5th cousin 3 times removed | XV | 9 |
| Ingersoll, Herbert N. | 6th cousin 3 times removed | XVII | 10 |
| Ingersoll, Herman Joy | 5th cousin 3 times removed | XV | 9 |
| Ingersoll, Hermon V. | 4th cousin 4 times removed | XIV | 9 |
| Ingersoll, Howard Francis | 6th cousin 3 times removed | XVII | 10 |
| Ingersoll, Howrad | 7th cousin twice removed | XVIII | 10 |
| Ingersoll, Huldah | 4th cousin 4 times removed | XIV | 9 |
| Ingersoll, Huldah Fidelia | 7th cousin 3 times removed | XIX | 11 |
| Ingersoll, Huldah Smith | 6th cousin 4 times removed | XVIII | 11 |
| Ingersoll, Ida Belle | 1st cousin twice removed | VI | 4 |
| Ingersoll, Ida Mae | 7th cousin 3 times removed | XIX | 11 |
| Ingersoll, Idella | 5th cousin 4 times removed | XVI | 10 |
| Ingersoll, Inez | 4th cousin 4 times removed | XIV | 9 |
| Ingersoll, Infant | 6th cousin 4 times removed | XVIII | 11 |
| Ingersoll, Infant | 6th cousin 4 times removed | XVIII | 11 |
| Ingersoll, Infant | 6th cousin 4 times removed | XVIII | 11 |
| Ingersoll, Infant | 7th cousin twice removed | XVIII | 10 |
| Ingersoll, Infant daughter | 6th cousin twice removed | XVI | 9 |
| Ingersoll, Infant Son | Granduncle | IV | 3 |
| Ingersoll, Irena Frances | 5th cousin 4 times removed | XVI | 10 |
| Ingersoll, Irena Maria | 6th cousin 4 times removed | XVIII | 11 |
| Ingersoll, Irene | 7th cousin twice removed | XVIII | 10 |
| Ingersoll, Irene | 7th cousin twice removed | XVIII | 10 |
| Ingersoll, Irene Young | 4th cousin 5 times removed | XV | 10 |
| Ingersoll, Irma Josephine | 8th cousin twice removed | XX | 11 |
| Ingersoll, Irving Whitefield | 7th cousin 3 times removed | XIX | 11 |
| Ingersoll, Isaac | 5th cousin 4 times removed | XVI | 10 |
| Ingersoll, Isaac | 7th cousin twice removed | XVIII | 10 |
| Ingersoll, Isaac | 3rd cousin 6 times removed | XIV | 10 |
| Ingersoll, Isaac | 4th cousin 5 times removed | XV | 10 |
| Ingersoll, Isaac | 4th cousin 6 times removed | XVI | 11 |
| Ingersoll, Isaac | 5th cousin 4 times removed | XVI | 10 |
| Ingersoll, Isaac Benjamin | 6th cousin 3 times removed | XVII | 10 |
| Ingersoll, Isaac Dafforne | 4th cousin 5 times removed | XV | 10 |
| Ingersoll, Isaac Proctor | 3rd cousin 5 times removed | XIII | 9 |
| Ingersoll, Isabella | 4th cousin 5 times removed | XV | 10 |
| Ingersoll, Ivan Morgan | 8th cousin twice removed | XX | 11 |
| Ingersoll, Jack Jon | Uncle | III | 2 |
| Ingersoll, James | Great-granduncle | V | 4 |
| Ingersoll, James | 1st cousin 7 times removed | XI | 9 |
| Ingersoll, James | 2nd cousin 6 times removed | XII | 9 |
| Ingersoll, James | 2nd cousin 6 times removed | XII | 9 |
| Ingersoll, James | 2nd cousin 7 times removed | XIII | 10 |
| Ingersoll, James | 2nd cousin 7 times removed | XIII | 10 |
| Ingersoll, James | 3rd cousin 6 times removed | XIV | 10 |
| Ingersoll, James | 3rd cousin 6 times removed | XIV | 10 |
| Ingersoll, James | 1st cousin 6 times removed | X | 8 |
| Ingersoll, James | 3rd cousin 6 times removed | XIV | 10 |
| Ingersoll, James | 4th cousin 5 times removed | XV | 10 |