Cognomen Mcgrogan (Mcgrogan 
) , in all the world, is quite a rare surname. The cognomen Mcgrogan is habitual in Ireland, where it is quite a rare surname, the United Kingdom, where it is a rare surname, and Australia. Measured by absolute frequency, this name is the most popular in the United States, the United Kingdom, and Ireland.
| VARIANT | COUNTRY |
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| Mcgrogan | Australia, Ireland, Canada, United States, United Kingdom |
| felix mcgrogan Scottish footballer (1914-1989), GB (b. 1914) |
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| joe mcgrogan association football player, GB (b. 1955) |
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| hugh mcgrogan Scottish footballer (1957-1998), GB (b. 1957) |
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| claire l mcgrogan researcher (ORCID 0000-0002-8246-2799) |
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| anita mcgrogan researcher |
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| frank p. mcgrogan researcher |
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| james mcgrogan cyclist, FJ |
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