| First Name (With Contractions) | Mary |
| First Name (Without Contractions) | Mary |
| Surname | Dempsey |
| Married Surname | Williamson |
| Spouse's Occupation (As Documented) | Mariner |
| Spouse's Occupation (Standardised) | Mariner |
| Gender | Female |
| Abode | 11 Litherland Alley |
| Year | 1844 |
| Parish | St Thomas, Liverpool, Lancashire |
| Date Of Marriage | 24 Apr 1844 |
| Age At Marriage | 19 |
| Status | Spinster |
| Witnesses | Gilbert Slatter; Jane Robertson |
| Marriage Type | Banns |
| Marrying Minister | J. H. Stafford Offg. Minr. |
| Register | Marriages 1838 - 1852, Page 116, Entry 232 |
| Source | LDS Film 1546064 |
| Witnessed By | Gilbert Slatter |
| Witnessed By | Jane Robertson |
| Married To | Thomas Williamson |