Grace Allen Bigelow was born 17 May 1719 in Sudbury, Middlesex County, Massachusetts to Thomas Allen (1690-1777) and Sarah Grande (1688-1723) and died 9 October 1785 Ashburnham, Massachusetts of unspecified causes. She married John Bigelow (1715-1787) 29 November 1739 in Sudbury, Middlesex County, Massachusetts.
Children
| Name | Birth | Death | Joined with |
| Lucy Bigelow (1740-1807) | |||
| Beulah Bigelow (1741-) | |||
| Nathan Bigelow (1743-1816) | |||
| John Bigelow (1843-) | |||
| Martha Bigelow (1843-) | |||
| Sarah Bigelow (1745-1811) | |||
| Silas Bigelow (1750-1797) | |||
| Simeon Bigelow (1752-1837) | 12 April 1752 Acton, Middlesex County, Massachusetts | 13 July 1837 Brandon, Rutland County, Vermont | Sarah Foster (1760-1789) Elizabeth Avery (1764-1804) Sarah Bump (1764-1856) |
| Molly Bigelow (1754-1775) | |||
| Grace Bigelow (1757-1827) | |||
| Eunice Bigelow (170-1831) | |||
| Elizabeth Bigelow (1769-1844) | |||
Siblings
| Name | Birth | Death | Joined with |
| Thomas Allen (1713-) | |||
| Daniel Allen (1715-) | |||
| Sarah Allen (1717-1796) | |||
| Grace Allen (1719-1785) | 17 May 1719 Sudbury, Middlesex County, Massachusetts | 9 October 1785 Ashburnham, Massachusetts | John Bigelow (1715-1787) |
| Name | Birth | Death | Joined with |
| Joseph Allen (1722-1797) | |||