Family name Mullarkey (Mullarkey 
) , across the world, is quite a rare surname. The cognomen Mullarkey is habitual in Ireland, where it is quite a rare surname, the United Kingdom, and Australia, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in the United States, the United Kingdom, and Ireland.
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| Mullarkey | Canada, Australia, United States, United Kingdom, Ireland |
| des mullarkey Australian rugby league footballer, and cricketer (1899-1975), AU (b. 1899) |
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kelvin mullarkey British speedway rider, GB (b. 1951) |
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| alan mullarkey British politician (1937-2007), GB (b. 1937) |
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| mary mullarkey American politician, US (b. 1943) |
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| neil mullarkey British actor, GB (b. 1961) |
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| john mullarkey British academic (b. 1965) |
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| eamonn mullarkey IE (b. 1955) |
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| daragh mullarkey researcher ORCID ID = 0000-0001-5809-778X |
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| caitlin e mullarkey researcher |
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| michael mullarkey (b. 1970) |
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| michael c mullarkey researcher (ORCID 0000-0002-5437-4425) |
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| tiarnan mullarkey researcher |
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| michael c mullarkey researcher (ORCID 0000-0002-2267-2532) |
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| robin mullarkey UK multi-instrumentalist, producer, engineer, based in London, England, UK, GB |
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| sam mullarkey English footballer (born 1987), GB (b. 1987) |
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