Family name Mcgrain (Mcgrain 
) , all around the world, is a rare surname. The family name Mcgrain is habitual in the United States, where it is a rare surname, the United Kingdom, where it is a very rare surname, and Australia.
| VARIANT | COUNTRY |
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| Mcgrain | United Kingdom, Philippines, Australia, United States, Canada |
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myrtle mcgrain American stage actress and model (b. 1883) |
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danny mcgrain Scottish association football player and manager (born 1950), GB (b. 1950) |
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| danny mcgrain Scottish footballer (1953-2004), GB (b. 1953) |
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| tommy mcgrain association football player (born 1959), GB (b. 1959) |
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| mike mcgrain college basketball player (2002–2004) San Diego |
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| todd mcgrain American sculptor |
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| todd mcgrain |
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Mr, Anna, Anne, Abby, Amie, Chaz, Carl, Cara, Beth, Bill, Kate, Kyle, Kyip, Paul, Pete, Phil, Rick, Rita, Ryan, Dawn, Leon, Lina, Ally, Lily, Alec, Sean, Ed, Sue, Art, Rod, Rob, Dan, Don, Joe, Jim, Tom, Ian, Marc, Mary, Mark, Mara, Matt, Mack, Mick, Mike, Miki, Sara, Stan, and Lisa