William Johnston was born 19 December 1697 in Annandale, Scotland, United Kingdom to Edward Johnston (1649-1704) and Elizabeth Walker (1680-1725) and died 1778 Port Royal, Caroline County, Virginia, United States of unspecified causes. He married Ann Chew (1703-1742) 1 October 1723 in Spotsylvania County, Virginia, United States.
Children
| Name | Birth | Death | Joined with |
| Nancy Ann Johnson (c1724-?) | 1724 Spotsylvania County, Virginia (Spotsylvania County, Virginia) | 1788 Orange County, Virginia, United States of America | Philip Ballard (c1722-1778) |
| Larkin Johnston (1727-1816) | |||
Footnotes (including sources)
| ‡ General |
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