Dea. John Loomis was born 9 November 1649 in Windsor, Hartford County, Connecticut, United States to John Loomis (1622-1688) and Elizabeth Scott (c1625-1696) and died 31 August 1715 Windsor, Hartford County, Connecticut, United States of unspecified causes. He married Mary Judd (1644-c1704) 1670 in Windsor, Hartford County, Connecticut, United States.
Children
| Name | Birth | Death | Joined with |
| John Loomis (1670-) | |||
| Mary Loomis (1672-1768) | 20 March 1672 Windsor, Hartford County, Connecticut, United States | 4 November 1768 Killingsworth, Middlesex County, Connecticut, United States | John Buell (1671-1746) |
| Hannah Loomis (-1746) | |||
| Elizabeth Loomis (1677-1718) | |||
| Deborah Loomis (1679-) | |||
| Zachariah Loomis (1681-1751) | |||
| Ezekiel Loomis (1683-1756) | |||
| Ephraim Loomis (1685-) | |||
Siblings
| Name | Birth | Death | Joined with |
| John Loomis (1649-1715) | 9 November 1649 Windsor, Hartford County, Connecticut, United States | 31 August 1715 Windsor, Hartford County, Connecticut, United States | Mary Judd (1644-c1704) |
| Joseph Loomis (1651-1699) | |||
| Thomas Loomis (1653-1688) | |||
| Daniel Loomis (1657-1740) | |||
| James Loomis (1659-1669) | |||
| Timothy Loomis (1661-1710) | |||
| Nathaniel Loomis (1663-1732) | |||
| David Loomis (1665-1665) | |||
| Samuel Loomis (1666-1754) | |||
| Isaac Loomis (1668-1688) | |||
| Elizabeth Loomis (1671-1695) | |||
| Mary Loomis (1672-) | |||