Sophia Churchill was born circa 1745 to Charles Churchill (1700-1770) and Sophia Walpole (c1710-) and died 1797 of unspecified causes. She married Horatio Walpole, 2nd Earl of Orford (1752-1822) 27 July 1781 .
Children
| Name | Birth | Death | Joined with |
| Maria Walpole (-1870) | |||
| Horatio Walpole, 3rd Earl of Orford (1783-1858) | |||
| Harriet Walpole (1792-1875) | 1792 | 1875 | William Hoste (1780-1828) |
| Georgiana Mary Walpole (1795-1859) | |||
| Sophia Anne Walpole (c1797-1808) | |||
Footnotes (including sources)
| ‡ General |
| Ω Birth |
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