Family name Mcnicholl (Mcnicholl 
) , globally, is quite a rare cognomen. The family name Mcnicholl is characteristic of Ireland, where it is quite a rare surname, New Zealand, and the United Kingdom, where it is a rare surname. Measured by absolute frequency, it is commonest in the United Kingdom, Ireland, and the United States.
| VARIANT | COUNTRY |
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| Mcnicholl | United Kingdom, Ireland, Canada, New Zealand, United States |
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brian mcnicholl New Zealand-born Australian Paralympic weightlifter, powerlifter and athlete, NZ (b. 1951) |
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| ken mcnicholl New Zealand cricketer, NZ (b. 1930) |
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| dermot mcnicholl Gaelic and Australian rules footballer, GB (b. 1965) |
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| seán mcnicholl Aontú candidate in the 2019 United Kingdom General Election |
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| timothy mcnicholl Ph.D. The George Washington University 1995 |
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| aoife mcnicholl researcher (ORCID 0000-0002-1799-1483) |
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| john mcnicholl Northern Irish singer, GB |
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| brian mcnicholl active 2010-2011 |
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| adeana mcnicholl Asian Studies scholar |
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| adrian g mcnicholl researcher |
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| janet m mcnicholl researcher |
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| johnny mcnicholl Welsh rugby union player, NZ (b. 1990) |
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