Cognomen Fordyce (Fordyce 
) , worldwide, is quite a rare family name. The cognomen Fordyce is characteristic of Bermuda, where it is quite a common surname, Trinidad and Tobago, where it is quite a rare surname, and New Zealand. In absolute terms, the name is most common in the United States, the United Kingdom, and Australia. Much less frequently, Fordyce is the forename as well as the last name.
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| Fordyce | United Kingdom, United States, Australia, South Africa, Canada |
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james fordyce British writer and minister, GB (b. 1720) |
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| george fordyce (b. 1663) |
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| john fordyce (1680-1730) (b. 1680) |
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george fordyce British chemist (1736-1802), GB (b. 1736) |
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| jean fordyce (1704-1778) (b. 1704) |
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| david fordyce British philosopher, GB (b. 1711) |
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| john fordyce Scottish physician, 1716-1760 (b. 1717) |
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| george fordyce (b. 1709) |
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| william fordyce British doctor, GB (b. 1724) |
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| alexander fordyce Scottish banker, GB (b. 1729) |
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| henrietta fordyce Fordyce [née Cumming], Henrietta (1734–1823), governess (b. 1734) |
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| john fordyce British banker and politician, 1735 - July 1, 1809 (b. 1735) |
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| robert fordyce (b. 1726) |
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samuel w. fordyce American businessman (1840-1919), US (b. 1840) |
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| alexander fordyce Scottish naval officer and politician (1800-1864), GB (b. 1800) |
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