| First Name (With Contractions) | Mercy |
| First Name (Without Contractions) | Mercy |
| Surname | Williams |
| Married Surname | Watson |
| Spouse's Occupation (As Documented) | Roper |
| Spouse's Occupation (Standardised) | Roper |
| Gender | Female |
| Abode | Liverpool |
| Year | 1798 |
| Parish | St Nicholas, Liverpool, Lancashire |
| Date Of Marriage | 16 Apr 1798 |
| Status | Spinster |
| Witnesses | Peter Bankes; William Benson |
| Marriage Type | Banns |
| Marrying Minister | T. Kidd, Curate |
| Register | Marriages 1797 - 1798, Page 388, Entry 118 |
| Source | LDS Film 93839 |
| Witnessed By | Peter Bankes |
| Witnessed By | William Benson |
| Married To | John Watson |