| First Name (With Contractions) | John |
| First Name (Without Contractions) | John |
| Surname | Postlethwaite |
| Gender | Male |
| Abode | Liverpool |
| Year | 1830 |
| Parish | St John, Liverpool, Lancashire |
| Date Of Marriage | 21 Jan 1830 |
| Occupation (As Documented) | Brewer |
| Occupation (Standardised) | Brewer |
| Occupation (HISCO Code) | 77810 |
| Status | Bachelor |
| Witnesses | Samuel Sepp; Elizabeth Aspinall, (X) |
| Marriage Type | Licence |
| Marrying Minister | Thos. Stringer, Curate |
| Register | Marriages 1827 - 1835, Page 71, Entry 351 |
| Source | LDS Film 1656197 |
| Witnessed By | Samuel Sepp |
| Witnessed By | Elizabeth Aspinall |
| Married To | Elizth. Blundell |