Peter Haynes was born 7 April 1654 in Sudbury, Middlesex County, Massachusetts to John Haynes (1621-1697) and Dorothy Noyes (1627-1715) and died 6 January 1748 Sudbury, Middlesex County, Massachusetts of unspecified causes. He married Elizabeth Rice (1656-1727) 2 January 1677 in Sudbury, Middlesex County, Massachusetts.
Children
| Name | Birth | Death | Joined with |
| Richard Haynes (1679-1681) | |||
| Elizabeth Haynes (1680-1772) | |||
| Mary Haynes (1683-1684) | |||
| Peter Haynes (1685-1779) | |||
| Joseph Haynes (1687-1775) | |||
| Mary Haynes (1690-1785) | 6 March 1690 Sudbury, Middlesex County, Massachusetts | 16 December 1785 Framingham, Middlesex County, Massachusetts | Hezekiah Rice (1694-1761) |
| Sarah Haynes (1693-1785) | |||
| Daniel Haynes (1695-1776) | |||
| Child Haynes (1697-) | |||
| Esther Haynes (1697-1770) | 28 January 1697 Sudbury, Middlesex County, Massachusetts | 16 August 1770 Worcester, Worcester County, Massachusetts | Gersham Rice (1696-1781) |
| Phineas Haynes (1700-1771) | |||
Siblings
| Name | Birth | Death | Joined with |
| Elizabeth Haynes (1644-1715) | 19 July 1644 Sudbury, Middlesex County, Massachusetts | 20 November 1715 Sudbury, Middlesex County, Massachusetts | Henry Balcombe (1641-1683) |
| Mary Hanes (1647-1718) | 23 February 1718 | Josiah Howe (1653-1710) | |
| John Haynes (1649-1710) | |||
| Peter Haynes (1654-1748) | 7 April 1654 Sudbury, Middlesex County, Massachusetts | 6 January 1748 Sudbury, Middlesex County, Massachusetts | Elizabeth Rice (1656-1727) |
| James Haynes (1661-1732) | |||
| David Haynes (1670-1755) | |||