Last name O'Boyle (O'Boyle 
) , around the world, is quite a rare family name. The surname O'Boyle is habitual in Ireland, where it is quite a common surname, the United Kingdom, where it is a rare surname, and New Zealand. In absolute terms, it is the most numerous in the United States, Ireland, and the United Kingdom.
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| O'Boyle | Australia, Canada, Ireland, United Kingdom, United States |
| patrick robert o'boyle (1780-1827) (b. 1780) |
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patrick o'boyle Catholic cardinal, US (b. 1896) |
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| patrick o'boyle Irish Roman Catholic prelate (1887–1971) (b. 1887) |
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conor o'boyle Irish general, IE (b. 1952) |
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| harry o'boyle American football player (1904-1994), US (b. 1904) |
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| tommy o'boyle American football player and coach (1917-2000), US (b. 1917) |
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| john o'boyle American basketball player, US (b. 1928) |
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| bill o'boyle American football coach, US (b. 1963) |
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| maureen o'boyle American television reporter and news anchor, US (b. 1963) |
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| sean o'boyle Australian composer, AU (b. 1963) |
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| george o'boyle Northern Irish footballer (born 1967), GB (b. 1967) |
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| shaun o'boyle science communicator |
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| dan o'boyle Irish murder victim |
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| michael o'boyle British academic |
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| leo o'boyle college basketball player (2020–2020) Lafayette |
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