William Baker, Jr. was born circa 19 October 1655 in Boston, Suffolk County, Massachusetts to William Baker (1629-1679) and Mary Eddington (1633-1655) and died 8 June 1702 Concord, Middlesex County, Massachusetts of unspecified causes. He married Elizabeth Dutton (1659-1698) 5 May 1681 in Massachusetts.
Biography
Children
| Name | Birth | Death | Joined with |
| John Baker (1692-) | |||
| Joseph Baker (1696-1761) | |||
| Sarah Baker (1693-1743) | 15 August 1693 Concord, Middlesex County, Massachusetts | 16 February 1743 Concord, Middlesex County, Massachusetts | Nathaniel Ball (1692-1749) |
Siblings
| Name | Birth | Death | Joined with |
| Mary Baker (1652-1652) | |||
| John Baker (1653-) | |||
| William Baker (1655-1702) | 19 October 1655 Boston, Suffolk County, Massachusetts | 8 June 1702 Concord, Middlesex County, Massachusetts | Elizabeth Dutton (1659-1698) |
| Name | Birth | Death | Joined with |
| Nathaniel Baker (1661-) | |||