| First Name (With Contractions) | John |
| First Name (Without Contractions) | John |
| Surname | O'Brien |
| Gender | Male |
| Abode | Frederick St. |
| Year | 1857 |
| Parish | St Peter, Liverpool, Lancashire |
| Date Of Marriage | 11 May 1857 |
| Occupation (As Documented) | Labourer |
| Occupation (Standardised) | Labourer |
| Occupation (HISCO Code) | 99920 |
| Minor Or Full | full |
| Status | Bachelor |
| Witnesses | John Thompson; Mary Ann Harris, (X) |
| Marriage Type | Banns |
| Marrying Minister | A. J. Tomlin B. A. Curate |
| Register | Marriages 1857, Page 70, Entry 139 |
| Source | LDS Film 1656679 |
| Witnessed By | John Thompson |
| Witnessed By | Mary Ann Harris |
| Married To | Ann Clarkson |