Mercy Bangs Hinckley was born 7 January 1682 in Eastham, Barnstable County, Massachusetts to Jonathan Bangs (1640-1728) and Mary Mayo (1645-1711) . He married Thomas Hinckley (1680-1710) 1706 in Harwich, Barnstable County, Massachusetts.
Children
| Name | Birth | Death | Joined with |
| Joshua Hinckley (1707-1787) | |||
| Thomas Hinckley (1709-1769) | 11 March 1709 Harwich, Barnstable County, Massachusetts | 18 April 1769 | Ruth Merrick (1712-1765) Hannah Severance (1714-1810) |
Siblings
| Name | Birth | Death | Joined with |
| Edward Bangs (1665-1746) | |||
| Rebecca Bangs (1667-) | |||
| Jonathan Bangs (1670-1670) | |||
| Mary Bangs (1671-1745) | 14 April 1671 Eastham, Barnstable County, Massachusetts | Thomas Nickerson (1670-1735) | |
| Jonathan Bangs (1673-1738) | |||
| Hannah Bangs (1676-) | |||
| Thomasine Bangs (1678-) | |||
| Samuel Bangs (1680-1750) | 12 July 1680 Eastham, Barnstable County, Massachusetts, United States | 11 June 1750 Harwich, Barnstable County, Massachusetts, United States | Mary Hinckley (1678-1741) |
| Mercy Bangs (1682-) | 7 January 1682 Eastham, Barnstable County, Massachusetts | Massachusetts | Thomas Hinckley (1680-1710) |
| Elizabeth Bangs (1685-) | |||
| Sarah Bangs (1689-1759) | 2 August 1689 Eastham, Barnstable County, Massachusetts | 2 April 1759 Truro, Barnstable County, Massachusetts | Benjamin Collins (1687-1756) |
| Lydia Bangs (1689-1715) | |||