Surname Mcdermott (Mcdermott 
, מקדרמוט 
, Макдермотт) , across the world, is a common last name. The cognomen Mcdermott is habitual in Northern Europe, particularly Ireland, where it is quite a common surname, Guernsey, and Jersey (explore the name in all countries). Measured by absolute frequency, it is the most numerous in the United States, the United Kingdom, and Ireland.
| VARIANT | COUNTRY |
|---|---|
| Mcdermott | United Kingdom, United States, Ireland, Australia, Canada |
| מקדרמוט | Israel |
Macdermott, and Мцдермотт
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charles mcdermott American physician (b. 1808) |
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edward j. mcdermott American politician from Kentucky (1852-1926), US (b. 1852) |
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allan langdon mcdermott American politician (1854-1908), US (b. 1854) |
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| townsend mcdermott Australian politician (1818-1907) (b. 1818) |
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william p. mcdermott politician in Massachusetts, US, US (b. 1870) |
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james t. mcdermott American politician (1872-1938), US (b. 1872) |
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john mcdermott American marathon runner, US (b. 1874) |
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| john mcdermott American politician, US (b. 1826) |
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james f. mcdermott politician in Massachusetts, US, US (b. 1877) |
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marc mcdermott Australian-American silent film actor (1881-1929), AU (b. 1881) |
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| dr mcdermott doctor in Hokitika, New Zealand (1833–1879), AU (b. 1833) |
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george thomas mcdermott United States federal judge, US (b. 1886) |
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john mcdermott American professional golfer, US (b. 1891) |
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| thomas lawrence mcdermott American physician (1843-1915), US (b. 1843) |
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john mcdermott actor and film director (1893-1946), US (b. 1893) |
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