| Name | Birth date | Relationship with Michael McGrath |
|---|
| Walsh, Elizabeth | | 4th cousin |
| Walsh, James | | 3rd cousin once removed |
| Walsh, John | | 4th cousin |
| Walsh, Michael | | 4th cousin |
| Walsh, Ruth | | 4th cousin |
| Walsh, Walter | 3/17/1874 | Husband of the 2nd cousin twice removed |
| Webb, Patricia Lynn | 9/6/1950 | Wife of the 3rd cousin |
| Wickerson, Margaret | | Wife of the 2nd cousin twice removed |
| Wife | | Wife of the great-granduncle |
| Wife, First | | Wife of the 3rd great-grandfather |
| Wilcocks, Vera Mae Veronica | 1914 | Wife of the 2nd cousin twice removed |
| Wojciechowski, Donna | 6/25/1954 | Wife of the 3rd cousin once removed |
| Wolf, Annette | | Wife of the 3rd cousin once removed |
| Zushlag, Kathrine | | Wife of the uncle |
