| Name | Relationship with Wendy Libby | Civil | Canon |
|---|
| Lamontagne, Brian Michael | 2nd cousin | VI | 3 |
| Lamontagne, Daniel | Husband of the 1st cousin once removed | | |
| Lamontagne, Daniel Paul | 2nd cousin | VI | 3 |
| Lane, John Ingersoll | 2nd cousin 5 times removed | XI | 8 |
| Lane, Samuel | 2nd cousin 5 times removed | XI | 8 |
| Lane, Stephen | Husband of the 1st cousin 6 times removed | | |
| Lane, Stephen H. | 2nd cousin 5 times removed | XI | 8 |
| Langley, Ann | 9th great-grandmother | XI | 11 |
| Lani | Wife of the 5th cousin 5 times removed | | |
| Lansing, Helen Marie | Wife of the 6th cousin 3 times removed | | |
| Larrabee, Benjamin | Husband of the 1st cousin 8 times removed | | |
| Larrabee, Benjamin | 2nd cousin 7 times removed | XIII | 10 |
| Larrabee, Elizabeth | 2nd cousin 7 times removed | XIII | 10 |
| Lawrence, Charles Henry | Husband of the 6th cousin 3 times removed | | |
| Lawrence, Ralph Henry | 7th cousin twice removed | XVIII | 10 |
| Lawrence, William Henry | 7th cousin twice removed | XVIII | 10 |
| Lawton, Susan A. | Wife of the 5th cousin 3 times removed | | |
| Leach, Mary | Wife of the 5th cousin 5 times removed | | |
| Leeds, Samuel, Jr. | Husband of the 2nd cousin 6 times removed | | |
| Leighton, Cyrene Bancroft | Wife of the 4th cousin 5 times removed | | |
| Leighton, Daniel | Husband of the 4th cousin 5 times removed | | |
| Leighton, S.S. | Husband of the 5th cousin 4 times removed | | |
| Lewis, Ernest T. | Husband of the 8th cousin twice removed | | |
| Libbey, Jane Wadsworth | Wife of the 5th cousin 3 times removed | | |
| Libby, Brooke | 1st cousin once removed | V | 3 |
| Libby, Darlene Mae | Mother | I | 1 |
| Libby, Edith Lorraine | Aunt | III | 2 |
| Libby, Everett Benson | 1st cousin | IV | 2 |
| Libby, George Allen | 1st cousin | IV | 2 |
| Libby, George Everett | Grandfather | II | 2 |
| Libby, George Willmont | Uncle | III | 2 |
| Libby, Jack Jon | Brother | II | 1 |
| Libby, John | 1st cousin | IV | 2 |
| Libby, Merwin | 1st cousin | IV | 2 |
| Libby, Olena Ann | 1st cousin | IV | 2 |
| Libby, Richard | Great-grandfather | III | 3 |
| Libby, Richard Everett | Uncle | III | 2 |
| Libby, Robert Edward | Uncle | III | 2 |
| Libby, Sarah P. | Wife of the 6th cousin 4 times removed | | |
| Libby, Warren | 1st cousin | IV | 2 |
| Libby, Wendy Bell | Self | | 0 |
| Libby, Willard John | 1st cousin | IV | 2 |
| Libby, William Glen | 1st cousin | IV | 2 |
| Libby, Willy | 1st cousin once removed | V | 3 |
| Libby, Zeke | 1st cousin once removed | V | 3 |
| Liddle, Leah Janet | Wife of the 5th cousin 4 times removed | | |
| Little, Mary W. | Wife of the 6th cousin twice removed | | |
| Littlefield, Caroline | 4th cousin 5 times removed | XV | 10 |
| Littlefield, Isaac | Husband of the 3rd cousin 6 times removed | | |
| Littlefield, Isaac C. | 4th cousin 5 times removed | XV | 10 |
