Sarah Finch Bemis was born circa 1620 in Hertfordshire, England to Ralph Finch (1584-1622) and Emma Baldwin (1584-1620) and died before 1712 Watertown, Middlesex County, Massachusetts of unspecified causes. She married Joseph Bemis (1619-1684) 1640 in Watertown, Middlesex County, Massachusetts.
Children
| Name | Birth | Death | Joined with |
| Sarah Bemis (1643-1712) | 15 January 1643 Watertown, Middlesex County, Massachusetts | 1712 Watertown, Middlesex County, Massachusetts | John Bigelow (1617-1703) |
| Mary Bemis (1644-1730) | |||
| Joseph Bemis (1647-1647) | |||
| Ephraim Bemis (1647-1647) | |||
| Martha Bemis (1649-) | |||
| Joseph Bemis (1651-1694) | |||
| Rebecca Bemis (1654-1712) | 17 April 1654 Watertown, Middlesex County, Massachusetts, United States | 6 April 1712 Watertown, Middlesex County, Massachusetts, United States | John White (1649-1684) Thomas Harrington (1665-1712) |
| Ephraim Bemis (1656-1738) | 25 August 1656 Watertown, Middlesex County, Massachusetts | 1738 | Elizabeth Bond (1658-1712) |
| John Bemis (1659-1732) | 13 August 1659 Watertown, Middlesex County, Massachusetts | 24 October 1732 Watertown, Middlesex County, Massachusetts | Mary Harrington (1663-1716) Sarah Holland (1662-1716) Judith Jenison (1667-) |
Siblings