| First Name (With Contractions) | Mary |
| First Name (Without Contractions) | Mary |
| Surname | Onions |
| Married Surname | Mathyson |
| Spouse's Occupation (As Documented) | Cooper |
| Spouse's Occupation (Standardised) | Cooper |
| Gender | Female |
| Abode | Same Parish |
| Year | 1788 |
| Parish | St John, Liverpool, Lancashire |
| Date Of Marriage | 10 Nov 1788 |
| Status | Spinster |
| Witnesses | Robert Bispham; Thomas Howard |
| Marriage Type | Licence |
| Marrying Minister | Henry Binfield Clk. |
| Register | Marriages 1785 - 1805, Page 30, Entry 146 |
| Source | LDS Film 1656197 |
| Witnessed By | Robert Bispham |
| Witnessed By | Thomas Howard |
| Married To | Samuel Thomas Mathyson |