| First Name (With Contractions) | Mary |
| First Name (Without Contractions) | Mary |
| Surname | Mercer |
| Married Surname | Gronow |
| Spouse's Occupation (As Documented) | Gardener |
| Spouse's Occupation (Standardised) | Gardener |
| Gender | Female |
| Abode | the Parish of Liverpool |
| Year | 1800 |
| Parish | St Anne Richmond, Liverpool, Lancashire |
| Date Of Marriage | 11 Dec 1800 |
| Status | Widow |
| Witnesses | William Brownbill; Ellin Palin |
| Marriage Type | Licence |
| Marrying Minister | John Vause Off. Minister |
| Register | Marriages 1797 - 1801, Page 156, Entry 3338 |
| Source | LDS Film 1656150 |
| Witnessed By | William Brownbill |
| Witnessed By | Ellin Palin |
| Married To | Charles Gronow |