Cognoms anglesos amb o1
- o'brien (36684)
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- o'boyle (1249)
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- o'niell (99)
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- o'neale (87)
- o'haire (72)
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- o'conor (69)
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- o'looney (49)
- o'gormley (43)
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- o'rielly (32)
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- o'hearn (30)
- o'connel (29)
- o'maley (27)
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- o'hern (22)
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- o'dowling (17)
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- o'nolan (15)
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- o'crowley (14)
- o'donell (14)
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- o'clery (13)
- o'selmo (12)
- o'donald (8)
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- o'conell (5)
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