William Merriam was born circa 1624 in England to Joseph Merriam (1600-1641) and Sarah Goldstone (1602-1671) and died 22 May 1689 Lynn, Essex County, Massachusetts of unspecified causes. He married Elizabeth Breade (1634-1691) 1653 in Lynn, Essex County, Massachusetts.
Children
| Name | Birth | Death | Joined with |
| Joseph Merriam (1650-1702) | |||
| Elizabeth Merriam (1654-1681) | |||
| John Merriam (1657-1661) | |||
| Sarah Merriam (1660-1661) | |||
| Rebecca Merriam (1662-1693) | 21 October 1662 Lynn, Essex County, Massachusetts | 17 September 1693 Reading, Middlesex County, Massachusetts | Samuel Fitch (1644-1684) Joseph Dutton (1661-1734) |
| Sarah Merriam (1665-1740) | |||
| William Merriam (1667-1752) | |||
| John Merriam (1671-1754) | |||
Siblings