Tamasin Cook Ballou was born 16 June 1725 in Mendon, Worcester County, Massachusetts, United States to Daniel Cooke (1703-1785) and Susanna Rockwood (1706-) and died 25 April 1804 Richmond, Cheshire County, New Hampshire, United States of unspecified causes. She married James Ballou (1723-1812) 7 June 1744 in Cumberland, Providence County, Rhode Island.
Children
| Name | Birth | Death | Joined with |
| Seth Ballou (1748-1778) | |||
| Olive Ballou (1751-1845) | |||
| Silas Ballou (1753-1837) | |||
| Susanna Ballou (1755-1802) | |||
| Ozial Ballou (1757-1838) | |||
| Tamasin Ballou (1759-1842) | |||
| James Ballou (1761-1808) | 25 April 1761 Cumberland, Providence County, Rhode Island, United States | 30 April 1808 Richmond, Cheshire County, New Hampshire, United States | Mehitable Ingalls (1764-) |
| Russel Ballou (1763-1847) | |||
| Aaron Ballou (1766-1807) | |||
| Daniel Ballou (1768-1806) | |||
| Priscilla Ballou (1772-1793) | |||
Siblings