Mary Lord Olmstead was born 6 May 1649 in Old Saybrook, Middlesex County, Connecticut to William Lord (1618-1678) and Hattie Nickerson (1621-1664) and died 14 September 1736 East Haddam, Middlesex County, Connecticut of unspecified causes. She married Samuel Olmstead (1653-1726) 1665 in East Haddam, Middlesex County, Connecticut.
Children
| Name | Birth | Death | Joined with |
| Elizabeth Olmstead (1672-1749) | 1672 East Haddam, Middlesex County, Connecticut | 22 December 1749 East Haddam, Middlesex County, Connecticut | Jared Cone (1668-1718) |
| Samuel Olmstead (1676-1747) | |||
| John Olmstead (1677-1771) | |||
| Mary Olmstead (1688-1704) | |||
Siblings