Margaret Snow was born 14 May 1706 in Orleans, Barnstable County, Massachusetts, United States to Stephen Snow (1681-1769) and Margaret Elkins (1683-1782) and died 14 December 1789 Holliston, Middlesex County, Massachusetts, United States of unspecified causes. He married Eldad Atwood (1695-1754) .
Children
| Name | Birth | Death | Joined with |
| Sarah Atwood (1729-) | |||
| Benjamin Atwood (1731-) | |||
| Margaret Atwood (1733-) | |||
| Lydia Atwood (1735-) | |||
| Deborah Atwood (1737-) | |||
| Jemima Atwood (1739-) | |||
| Mary Atwood (1741-) | |||
| John Atwood (1745-) | |||
| Mary Atwood (1747-) | |||
Siblings
| Name | Birth | Death | Joined with |
| Margaret Snow (1706-1789) | 14 May 1706 Orleans, Barnstable County, Massachusetts, United States | 14 December 1789 Holliston, Middlesex County, Massachusetts, United States | Eldad Atwood (1695-1754) |
| Stephen Snow (1708-) | |||
| Lydia Snow (1710-) | |||
| Sarah Snow (1712-) | |||
| Elkins Snow (1714-) | |||
| Jane Snow (1716-1773) | |||
| Robert Snow (1718-) | |||
| John Snow (1720-1764) | |||
| Mercy Snow (1722-) | |||
| Ruth Snow (1725-) | |||