| First Name (With Contractions) | Maria |
| First Name (Without Contractions) | Maria |
| Surname | Mercer |
| Married Surname | Cassidy |
| Spouse's Occupation (As Documented) | Shipwright |
| Spouse's Occupation (Standardised) | Shipwright |
| Gender | Female |
| Abode | this Parish |
| Year | 1821 |
| Parish | St Anne Richmond, Liverpool, Lancashire |
| Date Of Marriage | 10 May 1821 |
| Status | Spinister |
| Witnesses | Robert Watson; Thos. Holden |
| Marriage Type | Banns |
| Marrying Minister | Wm. Blundell Minr. |
| Register | Marriages 1816 - 1822, Page 245, Entry 1871 |
| Source | LDS Film 1656150 |
| Witnessed By | Robert Watson |
| Witnessed By | Thos. Holden |
| Married To | James Cassidy |