John Barker was born circa 1715 in Bardfield Saling, Essex, England, United Kingdom to John Barker (c1690-1766) and Ann Buttress (c1690-) and died 1799 Bardfield Saling, Essex, England, United Kingdom of unspecified causes. He married Elizabeth Pomfrett (c1720-) 30 September 1745 in Wimbish, Essex, England, United Kingdom.
Children
| Name | Birth | Death | Joined with |
| Ann Barker (1745-1826) | 1745 Wimbish, Essex, England, United Kingdom | 1826 Hatfield Peverel, Essex, England, United Kingdom | |
| Elizabeth Barker (1747-) | |||
| Nathaniel Buttress Barker (1756-1846) | |||
Siblings