Family name Mcneilly (Mcneilly 
) , worldwide, is quite a rare cognomen. The cognomen Mcneilly is habitual in Australia, where it is quite a rare surname, Trinidad and Tobago, and the United Kingdom. Not in comparison with a country's population, it is the most numerous in the United States, the United Kingdom, and Australia.
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| Mcneilly | United Kingdom, Canada, Australia, New Zealand, United States |
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a.j.w. mcneilly Canadian politician (1845-1911), CA (b. 1845) |
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| charlotte elizabeth mcneilly Australian painter, AU (b. 1828) |
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| mildred masterson mcneilly American author (1910-1997) (b. 1910) |
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| john j. mcneilly American jurist, US (b. 1918) |
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| wilfred glassford mcneilly Scottish author (1921-1983) of numerous novels and stories under a variety of names as well as several 1960s nonfantastic titles under his own name (b. 1921) |
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| alan mcneilly endocrinologist (b. 1947) |
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| robert mcneilly Pittsburgh Police Chief, Elizabeth Police Chief (b. 1951) |
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| mac mcneilly American musician, US (b. 1960) |
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| stephen mcneilly writer artist (b. 1968) |
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| andrew mcneilly Trinidadian bobsledder, TT (b. 1972) |
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| jamie mcneilly college basketball player (2005–2007) New Orleans |
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| tom n mcneilly researcher ORCID ID = 0000-0001-6469-0512 |
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| mark ryan mcneilly founder of Mark Ryan Winery |
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| briohny mcneilly researcher |
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| p mcneilly researcher |
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