Family name Mcniel (Mcniel 
) , throughout the world, is quite a rare last name. The last name Mcniel is characteristic of the United States, where it is a rare surname, New Zealand, and Australia. In absolute terms, it most frequently occurs in the United States, Canada, and South Africa. Much less frequently, Mcniel is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mcniel | Australia, United States, South Africa, Canada, Philippines |
| maura mcniel American activist, US (b. 1921) |
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| skye mcniel American politician, US (b. 1978) |
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| elizabeth mcniel researcher |
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| paula mcniel researcher (ORCID 0000-0001-8739-7159) |
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