Cognomen Mccaughey (Mccaughey 
) , in all the world, is quite a rare last name. The last name Mccaughey is characteristic of Ireland, where it is quite a rare surname, the United Kingdom, and Australia. Not in comparison with a country's population, it is the most numerous in the United States, the United Kingdom, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Mccaughey | Canada, Australia, United States, United Kingdom, Ireland |
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samuel mccaughey Australian politician, AU (b. 1835) |
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| david mccaughey (b. 1843) |
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| john mccaughey (b. 1843) |
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| r. h. mccaughey American politician, US (b. 1860) |
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| w. dwight mccaughey US (b. 1878) |
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| samuel mccaughey Australian cricketer and grazier, AU (b. 1892) |
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betsy mccaughey American Health care policy commentator, US (b. 1948) |
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scott mccaughey American musician, US (b. 1953) |
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| cecil mccaughey association football player, GB (b. 1909) |
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| seán mccaughey IRA member (1915-1946), IE (b. 1915) |
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| jean mccaughey Irish-Australian social reformer and writer (1917-2012), AU (b. 1917) |
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| william mccaughey sound engineer (1929-2000), US (b. 1929) |
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| winsome mccaughey Australian mayor, AU (b. 1943) |
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| patrick mccaughey Australian art historian, AU (b. 1943) |
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| billy mccaughey Special Patrol Group (RUC) officer; Northern Ireland loyalist paramilitary, GB (b. 1950) |
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