| Name | Birth date | Relationship with Sean Mulcahey |
| | | 9th cousin once removed |
| | | 10th cousin |
| Lenahan, Son2 | | 2nd cousin |
| | | 9th cousin |
| | | 9th cousin once removed |
| | | 10th cousin |
| Lenahan, Son2 | Abt. 1989 | 2nd cousin |
| | | 9th cousin |
| | | 9th cousin once removed |
| | | 10th cousin |
| Lenahan, Susan Kay | October 23, 1960 | 1st cousin once removed |
| | | 8th cousin once removed |
| | | 9th cousin |
| | | 8th cousin twice removed |
| | | 9th cousin once removed |
| Lenahan, Thomas | | 2nd cousin |
| | | 9th cousin |
| | | 9th cousin once removed |
| | | 10th cousin |
| Lennon, Christine | March 07, 1967 | 3rd cousin once removed |
| Lennon, Sean | May 18, 1970 | 3rd cousin once removed |
| Lennon, Thomas | May 1941 | Husband of the 2nd cousin twice removed |
| Lennon, Thomas | October 30, 1965 | 3rd cousin once removed |
| Lessard, Alan Wayne | November 05, 1956 | 1st cousin once removed |
| | | 8th cousin once removed |
| | | 9th cousin |
| | | 8th cousin twice removed |
| | | 9th cousin once removed |
| Lessard, Albertine | September 27, 1895 | Great-grandaunt |
| | | 6th cousin 3 times removed |
| | | 7th cousin twice removed |
| | | 6th cousin 4 times removed |
| | | 7th cousin 3 times removed |
| Lessard, Anita Louise | July 23, 1962 | Mother |
| | | 8th cousin once removed |
| | | 9th cousin |
| | | 8th cousin twice removed |
| | | 9th cousin once removed |
| Lessard, Beatrice | June 1902 | Great-grandaunt |
| | | 6th cousin 3 times removed |
| | | 7th cousin twice removed |
| | | 6th cousin 4 times removed |
| | | 7th cousin 3 times removed |
| Lessard, Bernard Amedee | January 04, 1929 | Granduncle |
| | | 7th cousin twice removed |
| | | 8th cousin once removed |
| | | 7th cousin 3 times removed |
| | | 8th cousin twice removed |
| Lessard, Brian Adam | February 10, 1979 | Uncle |
| | | 8th cousin once removed |