Cognomen Mcaloon (Mcaloon 
) , all over the world, is quite a rare surname. The last name Mcaloon is habitual in Ireland, where it is quite a rare surname, Australia, where it is a rare surname, and the United Kingdom. Not in comparison with a country's population, it is commonest in the United States, the United Kingdom, and Australia.
| VARIANT | COUNTRY |
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| Mcaloon | Canada, Australia, United States, United Kingdom, Ireland |
| gerry mcaloon Footballer (1916-1987), GB (b. 1916) |
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| sean mcaloon British musician, GB (b. 1923) |
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| paddy mcaloon English singer-songwriter and musician, GB (b. 1957) |
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| karen mcaloon American interior designer, US (b. 1968) |
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| conor g mcaloon researcher |
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| john mcaloon researcher ORCID ID = 0000-0001-8896-2578 |
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| kenneth walter mcaloon Ph.D. University of California, Berkeley 1966 |
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| catherine i mcaloon researcher |
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| jim mcaloon professor of history in New Zealand, NZ |
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| christopher james mcaloon researcher (ORCID 0000-0001-9545-9524) |
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| naoisha mcaloon Irish association football player, IE (b. 1999) |
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