Family name Custis (Custis 
) , in the world, is quite a rare cognomen. The cognomen Custis is characteristic of the United States, where it is a rare surname, New Zealand, and Israel, where it is a very rare surname. Measured by absolute frequency, the name is most common in the United States, the United Kingdom, and Canada. Much less frequently, Custis is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Custis | United Kingdom, United States, Canada, Israel, New Zealand |
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john custis American politician, US (b. 1678) |
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| william custis (b. 1633) |
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| john custis (ca. 1654–1714), US (b. 1654) |
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daniel parke custis American planter and politician, US (b. 1711) |
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john parke custis American politician (1754-1781), US (b. 1754) |
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martha parke custis daughter of Martha Washington (1755-1773) (b. 1755) |
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| charles custis (b. 1704) |
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elizabeth parke custis law American social leader (1776-1831), US (b. 1776) |
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eleanor parke custis Granddaughter of Martha Washington, US (b. 1779) |
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george washington parke custis adopted son of George Washington (1781-1857), US (b. 1781) |
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mary lee fitzhugh custis American Episcopal lay leader (1788-1853), US (b. 1788) |
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| daniel parke custis, jr. (1751-1754) (b. 1751) |
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| frances custis (1753-1757) (b. 1753) |
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maria carter custis Great granddaughter of Martha Washington, US (b. 1804) |
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mary anna randolph custis lee wife of Robert E. Lee (1808-1873), US (b. 1808) |
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