| Marriage Details |
| Marriage year | 1838 |
| Marriage month | April |
| Marriage day | 16 |
| Licence or Banns | Banns |
| Parish of marriage | Clerkenwell, St James |
| County | Middlesex |
| Witnesses | Thomas Holdom, X Jemima Holdom X her mark |
| Notes | Thomas Boys, Curate |
| Groom |
| First names | John |
| Surname | Mattocks |
| Age | full age |
| Parish/place of residence | 2 Portland Place, St John St Road |
| Condition | Bachelor |
| Occupation | Milk-man |
| Notes | signs John Mattocks |
| Father | William Mattocks |
| Father Occupation | Labourer |
| Bride |
| First names | Elizabeth |
| Surname | Harris |
| Age | full age |
| Parish/place of residence | 2 Portland Place, St John St Road |
| Condition | Spinster |
| Notes | signs Elizabeth Harris |
| Father | Thomas Harris |
| Father Occupation | Labourer |
| Source: Clerkenwell St. James parish register
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