William Munroe was born 10 October 1669 in Lexington, Middlesex County, Massachusetts to William Munroe (1625-1718) and Martha George (1636-1671) and died 2 January 1759 Lexington, Middlesex County, Massachusetts, United States of unspecified causes. He married Mary Cutler (1681-1713) 3 October 1697 in Concord, Middlesex County, Massachusetts. He married Joanna Russell (1684-1784) 1716 in Middlesex County, Massachusetts.
Children
| Name | Birth | Death | Joined with |
| Mary Munroe (1699-1782) | 3 April 1699 Cambridge, Middlesex County, Massachusetts, United States | 3 May 1782 Lincoln, Middlesex County, Massachusetts, United States | Thomas Wheeler (1692-1750) |
| Abigail Munroe (1701-1743) | |||
| William Munroe (1703-1747) | |||
| Thomas Munroe (1706-1766) | |||
| David Munroe 91708-1764) | |||
| Ruth Munroe (1711-1765) | |||
| Hannah Munroe (1713-1765) | |||
| Name | Birth | Death | Joined with |
| Phillip Munroe (1718-1790) | |||
| Johanna Munroe (1726-1749) | |||
| Susanna Munroe (1726-) | |||
Siblings
| Name | Birth | Death | Joined with |
| John Munroe (1666-1753) | |||
| Martha Munroe (1667-1729) | |||
| William Munroe (1669-1759) | 10 October 1669 Lexington, Middlesex County, Massachusetts | 2 January 1759 Lexington, Middlesex County, Massachusetts, United States | Mary Cutler (1681-1713) Joanna Russell (1684-1784) |
| George Munroe (1672-1746) | |||
| Name | Birth | Death | Joined with |
| Elizabeth Munroe (1672-1714) | |||
| Daniel Munroe (1673-1734) | |||
| Hannah Munroe (1674-1736) | |||
| Mary Munroe (1678-1754) | |||
| David Munroe (1680-1755) | 6 October 1680 Cambridge Farms, Lexington, Middlesex County, Massachusetts | 19 June 1755 Canterbury, Windham County, Connecticut | Deborah Howe (1685-1748) |
| Eleanor Munroe (1684-1729) | |||
| Sarah Munroe (1685-1707) | |||
| Joseph Munroe (1687-1765) | |||
| Benjamin Munroe (1690-1766) | |||