Margaret Cunningham was born circa 1526 in Glengarnock, Argyllshire, Scotland, UK to William Cunningham (1493-1547) and Elizabeth Sinclair (1498-1526) and died 20 July 1573 West Lothian, Scotland, UK of unspecified causes.
Children
| Name | Birth | Death | Joined with |
| Margaret Blair (1562-1624) | 1562 Argyllshire, Scotland, UK | 1624 Argyllshire, Scotland, UK | Donald Cargill (1560-1623) |
Siblings