Captain John Bigelow was born 24 June 1715 in Westford, Middlesex County, Massachusetts to Joshua Bigelow (1677-1728) and Hannah Fisk (1680-1733) and died 1787 Essex, Essex County, Massachusetts of unspecified causes. He married Grace Allen (1719-1785) 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 |
| Joshua Bigelow (1701-1790) | |||
| Hannah Bigelow (1704-1791) | |||
| Nathaniel Bigelow (1707-) | |||
| Lydia Bigelow (1709-1809) | |||
| Elizabeth Bigelow (1711-) | |||
| Mary Bigelow (1712-1760) | |||
| Nathaniel Bigelow (1712-) | |||
| John Bigelow (1715-1787) | 24 June 1715 Westford, Middlesex County, Massachusetts | 1787 Essex, Essex County, Massachusetts | Grace Allen (1719-1785) |
| Abigail Bigelow (1719-1788) | |||