Last name Mcgiffin (Mcgiffin 
) , across the world, is a rare family name. The family name Mcgiffin is habitual in Australia, where it is a rare surname, Canada, and the United States.
| VARIANT | COUNTRY |
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| Mcgiffin | United Kingdom, Canada, Australia, United States |
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philo mcgiffin US Navy officer, US (b. 1860) |
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| carol mcgiffin English broadcaster of radio and television, GB (b. 1960) |
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| jed n mcgiffin researcher |
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| david c mcgiffin researcher |
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| john mcgiffin college basketball player (1951–1952) Purdue |
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| peter mcgiffin Australian cricket coach, AU |
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| mark john mcgiffin candidate in United Kingdom General Election |
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| steve mcgiffin Australian cricketer (b. 1997) |
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