Family name Mcelvain (Mcelvain 
) , worldwide, is a rare cognomen. The surname Mcelvain is characteristic of the United States, where it is a rare surname, Canada, where it is a very rare surname, and New Zealand.
| VARIANT | COUNTRY |
|---|---|
| Mcelvain | United States, New Zealand, Canada |
| samuel m. mcelvain American chemist, US (b. 1897) |
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| l.e. mcelvain researcher |
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| margaret mcelvain (died 1934) |
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| kyle mcelvain college basketball player (2013–2014) Texas-Arlington |
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| benjamin mcelvain Peerage person ID=283785 |
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| joseph mcelvain |
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