Elizabeth Ross Coolidge was born circa 1668 in Cambridge, Middlesex County, Massachusetts to Thomas Ross (1630-) and Seath Holman (1640-1695) and died 6 November 1732 Watertown, Middlesex County, Massachusetts of unspecified causes. She married Obadiah Coolidge (1663-1706) 28 February 1686 in Sudbury, Middlesex County, Massachusetts.
Children
| Name | Birth | Death | Joined with |
| Elizabeth Coolidge (c1690-) | |||
| Joseph Coolidge (c1691-) | |||
| Hannah Coolidge (c1693-) | |||
| Obadiah Coolidge (1695-1741) | 27 August 1695 Watertown, Middlesex County, Massachusetts | 1741 Watertown, Middlesex County, Massachusetts | Rachel Goddard (1699-1740) |
| Sarah Coolidge (1696-) | |||
| Abigail Coolidge (1698-) | |||
| Mary Coolidge ((c1700-) | |||
| Lydia Coolidge (1702-1730) | |||
| Simon Coolidge (c1704-) | |||
| Stephen Coolidge (1705-) | |||
Siblings