John Hoar was born circa 1620 in Gloucester, Gloucestershire, England to Charles Hoare (1590-1638) and Joanna Hincksman (1586-1661) and died 2 April 1704 Concord, Middlesex County, Massachusetts of unspecified causes. He married Alice Lisle (1624-1696) 1645 .
Children
| Name | Birth | Death | Joined with |
| Elizabeth Hoar (1646-1697) | 26 April 1646 Welch Cove, Kittery, York County, Maine | 25 September 1697 Emerson Hospital, Concord, Middlesex County, Massachusetts | Jonathan Prescott (1643-1721) |
| Mary Hoar (1648-1697) | |||
| Daniel Hoar (1650-1743) | 9 July 1650 Concord, Middlesex County, Massachusetts | 8 February 1743 Concord, Middlesex County, Massachusetts | Mary Stratton (1656-1717) Mary Lee (1652-) |
| Edward Hoar (1663-) | |||
Siblings
| Name | Birth | Death | Joined with |
| Hezekiah Hoar (1608-1693) | |||
| Thomas Hoar (1612-) | |||
| Charles Hoar (1613-1689) | |||
| Margery Hoare (1614-1687) | |||
| Ruth Hoare (1617-1628) | |||
| John Hoar (1619-1704) | 1620 Gloucester, Gloucestershire, England | 2 April 1704 Concord, Middlesex County, Massachusetts | Alice Lisle (1624-1696) |
| Joanna Hoare (1624-1680) | 11 June 1624 St Mary de Crypt Church, Gloucester, Gloucestershire, England | 16 March 1680 Braintree, Norfolk County, Massachusetts | Edmund Quincy (1628-1698) |
| Leonard Hoare (1630-1672) | |||