| First Name (With Contractions) | Mary |
| First Name (Without Contractions) | Mary |
| Surname | Birchall |
| Married Surname | Pickering |
| Spouse's Occupation (As Documented) | Yeoman |
| Spouse's Occupation (Standardised) | Yeoman |
| Gender | Female |
| Abode | the Parish of Liverpool |
| Year | 1799 |
| Parish | St Anne Richmond, Liverpool, Lancashire |
| Date Of Marriage | 6 Apr 1799 |
| Status | Spinster |
| Witnesses | Henry Harrison; Thos. Hulker |
| Marriage Type | Licence |
| Marrying Minister | Harry Housman, Minister |
| Register | Marriages 1797 - 1801, Page 84, Entry 2900 |
| Source | LDS Film 1656150 |
| Witnessed By | Henry Harrison |
| Witnessed By | Thos. Hulker |
| Married To | John Pickering |