| First Name (With Contractions) | Mary |
| First Name (Without Contractions) | Mary |
| Surname | Donoughue |
| Married Surname | Costello |
| Spouse's Occupation (As Documented) | Tailor |
| Spouse's Occupation (Standardised) | Tailor |
| Gender | Female |
| Abode | Park Lane |
| Year | 1849 |
| Parish | St Peter, Liverpool, Lancashire |
| Date Of Marriage | 4 Jan 1849 |
| Minor Or Full | full |
| Status | Spinster |
| Witnesses | Andrew Gallighan, (X); Margt. Rogan |
| Marriage Type | Banns |
| Marrying Minister | A. J. Tomlin B. A. Curate |
| Register | Marriages 1848 - 1849, Page 48, Entry 96 |
| Source | LDS Film 1656509 |
| Witnessed By | Andrew Gallighan |
| Witnessed By | Margt. Rogan |
| Married To | Philip Costello |