Surname Mccallion (Mccallion 
) , in the entire world, is quite a rare cognomen. The last name Mccallion is habitual in Ireland, where it is quite a rare surname, the United Kingdom, and New Zealand, where it is a rare surname. In absolute terms, it is commonest in the United Kingdom, the United States, and Ireland.
| VARIANT | COUNTRY |
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| Mccallion | United Kingdom, United States, Ireland, Australia, Canada |
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hazel mccallion Canadian politician, CA (b. 1921) |
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| james mccallion American actor (1918-1991), US (b. 1918) |
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| henry mccallion engineer in New Zealand (1927–2018) (b. 1927) |
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eddie mccallion Northern Irish footballer, GB (b. 1979) |
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elisha mccallion politician (born 1982), GB (b. 1982) |
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| mac mccallion New Zealand rugby union player and coach, NZ (b. 1950) |
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| barry mccallion US (b. 1940) |
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| rosemary f. mccallion botanist and botanical collector, NZ (b. 1957) |
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| brian mccallion GB (b. 1950) |
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| enda mccallion Irish film director, IE (b. 1965) |
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| michael j. mccallion (b. 1955) |
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| robbie mccallion Irish Gaelic footballer, IE (b. 1979) |
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| p. mccallion American artist, active 19th century |
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| oliver mccallion researcher ORCID ID = 0000-0002-5977-812X |
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| philip mccallion researcher |
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