| First Name (With Contractions) | Mary |
| First Name (Without Contractions) | Mary |
| Surname | O'Brien |
| Married Surname | Birchall |
| Spouse's Occupation (As Documented) | Servant |
| Spouse's Occupation (Standardised) | Servant |
| Gender | Female |
| Abode | Kirkdale |
| Year | 1846 |
| Parish | St Mary, Walton on the Hill, Lancashire |
| Date Of Marriage | 21 Sep 1846 |
| Minor Or Full | Full |
| Status | Spinster |
| Witnesses | Henry Wright; Moses McMahon |
| Marriage Type | Banns |
| Marrying Minister | H. J. Hindley Curate |
| Register | Marriages 1846 - 1854, Page 2, Entry 4 |
| Source | LDS Film 1647985 |
| Witnessed By | Henry Wright |
| Witnessed By | Moses McMahon |
| Married To | James Birchall |