| First Name (With Contractions) | Mary |
| First Name (Without Contractions) | Mary |
| Surname | Lyon |
| Married Surname | Mattress |
| Spouse's Occupation (As Documented) | Morocco Leather dresser |
| Spouse's Occupation (Standardised) | Leather Dresser |
| Gender | Female |
| Abode | Liverpool |
| Year | 1799 |
| Parish | St Nicholas, Liverpool, Lancashire |
| Date Of Marriage | 4 Feb 1799 |
| Status | Spinster |
| Witnesses | Abraham Crosswell; Elizabeth Darwin? |
| Marriage Type | Licence |
| Marrying Minister | Sam. Renshaw, M.A., Rector |
| Register | Marriages 1799 - 1801, Page 435, Entry 48 |
| Source | LDS Film 93839 |
| Witnessed By | Abraham Crosswell |
| Witnessed By | Elizabeth Darwin? |
| Married To | Joshua Mattress |