Margaret Hamilton was born 1605 in Hamilton, Lanarkshire, Scotland, United Kingdom to William Hamilton (1570-1627) and Jane Melville (1574-) and died 1706 Ireland of unspecified causes.
Children
| Name | Birth | Death | Joined with |
| Gilbert McCoun (1626-) | 1626 Lainshire, Scotland, United Kingdom | ||
| Jean McCoun (1629-) | 1629 Lainshire, Scotland | ||
| Minerva McCoun (1631-) | 1631 Lainshire, Scotland, Scotland | ||
| Agnes McCoun (1634-) | 1634 Lainshire, Scotland, United Kingdom | ||
| James McCoun, Sr. (1637-1690) | 1637 Linlithgow, West Lothian, Scotland, United Kingdom | 1 June 1690 Boyne, Ireland | Elizabeth Montgomery (1645-1660) |