Marcy Larabee Cummings was born 26 January 1689 in Topsfield, Essex County, Massachusetts to Isaac Larrabee (1663-1755) and Martha Towne (1680-) and died 1767 Massachusetts of unspecified causes. She married John Cummings (1696-1741) 18 February 1715 in Ipswich, Essex County, Massachusetts.
Children
| Name | Birth | Death | Joined with |
| Josiah Cummings (1700-1750) | |||
| Stephen Cummings (1703-1798) | |||
| James Cummings (1705-1776) | |||
| John Cummings (1717-1756) | |||
| Hannah Cummings (1718-) | |||
| Mary Cummings (1720-) | |||
| Benjamin Cummings (1723-1731) | |||
| Reuben Cummings (1726-1790) | 29 January 1726 Middleton, Essex County, Massachusetts | 1790 Worcester County, Massachusetts | Hannah Booth (1732-1756) Elizabeth Butler (1727-1771) |
| Sarah Cummings (1729-) | |||
| Benjamin Cummings (1731-) | |||
Siblings
| Name | Birth | Death | Joined with |
| Marcy Larabee (1689-1767) | 26 January 1689 Topsfield, Essex County, Massachusetts | 1767 Massachusetts | John Cummings (1696-1741) |