Jacob Mersereau was born 2 February 1789 in Maugerville, New Brunswick, Canada to Andrew Mersereau (1764-1852) and Elizabeth Bartlett (1768-1812) and died 15 April 1859 Blackville, New Brunswick, Canada of unspecified causes.
Children
| Name | Birth | Death | Joined with |
| Richard Mersereau (1832-1879) | 23 April 1832 Blackville, New Brunswick, Canada | 18 November 1879 Blackville, New Brunswick, Canada | Sarah Young Porter (1830-1891) |
Siblings
| Name | Birth | Death | Joined with |
| Jacob Mersereau (1789-1859) | 2 February 1789 Maugerville, New Brunswick, Canada | 15 April 1859 Blackville, New Brunswick, Canada | Margaret Elizabeth Love (1798-1861) |