| First Name (With Contractions) | John |
| First Name (Without Contractions) | John |
| Surname | Costello |
| Gender | Male |
| Abode | Adlington St. |
| Year | 1857 |
| Parish | St Peter, Liverpool, Lancashire |
| Date Of Marriage | 19 Jan 1857 |
| Occupation (As Documented) | Labourer |
| Occupation (Standardised) | Labourer |
| Occupation (HISCO Code) | 99920 |
| Minor Or Full | Full |
| Status | Bachelor |
| Witnesses | Denis McCormick, (X); Mary Barrett, (X) |
| Marriage Type | Banns |
| Marrying Minister | A. J. Tomlin B. A. Curate |
| Register | Marriages 1856 - 1857, Page 194, Entry 388 |
| Source | LDS Film 1656679 |
| Witnessed By | Denis McCormick |
| Witnessed By | Mary Barrett |
| Married To | Margaret Wilson |