James Haddock was born 23 May 1651 in London, England, United Kingdom and died 2 May 1731 Upper Marlboro, Maryland, United States of unspecified causes.
Children
| Name | Birth | Death | Joined with |
| Mary Haddock (1675-1714) | 4 September 1675 Upper Marlboro, Maryland, United States | 25 July 1714 Upper Marlboro, Maryland, United States | Robert Owen (1672-1714) |
Siblings