Mary Hinckley was born 22 July 1678 in Barnstable, Barnstable County, Massachusetts, United States to Samuel Hinckley (1652-1697) and Sarah Pope (1658-1727) and died 7 January 1741 Harwich, Barnstable County, Massachusetts, United States of unspecified causes. She married Samuel Bangs (1680-1750) 13 January 1703 in Harwich, Barnstable County, Massachusetts, United States.
Children
| Name | Birth | Death | Joined with |
| Joseph Bangs (1713-c1757) | 30 June 1713 Harwich, Barnstable County, Massachusetts, United States | 1757 Oblong, New York, United States | Thankful Hamlin (1715-1768) |
Siblings
| Name | Birth | Death | Joined with |
| Mary Hinckley (1678-1741) | 22 July 1678 Barnstable, Barnstable County, Massachusetts, United States | 7 January 1741 Harwich, Barnstable County, Massachusetts, United States | Samuel Bangs (1680-1750) |
| Mahitable Hinckley (1679-1718) | |||
| Thomas Hinckley (1680-1710) | 19 March 1680 Barnstable, Barnstable County, Massachusetts | 1710 Harwich, Barnstable County, Massachusetts | Mercy Bangs (1682-) |
| Seth Hinckley (1683-1711) | |||
| Samuel Hinckley (1684-1760) | 24 September 1684 Barnstable, Barnstable County, Massachusetts, United States | January 1760 Brunswick, Cumberland County, Maine, United States | Mary Freeman (1686-) |
| Elnathan Hinckley (1685-1694) | |||
| Job Hinckley (1687-1753) | |||
| Mercy Hinckley (1693-1735) | |||
| Josiah Hinckley (1695-1727) | |||
| Elnathan Hinckley (1697-1711) | |||