Family name Mcgavock (Mcgavock 
) , in the entire world, is a rare last name. The last name Mcgavock is characteristic of New Zealand, where it is a rare surname, Australia, and the United States. Not in comparison with a country's population, it is commonest in the United States, Australia, and the United Kingdom. Very seldom, Mcgavock is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Mcgavock | United Kingdom, Australia, United States, Canada, New Zealand |
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randal mcgavock American politician, US (b. 1766) |
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| james mcgavock (b. 1728) |
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randal william mcgavock American politician, US (b. 1826) |
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| john mcgavock American planter, US (b. 1815) |
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| caroline e. winder mcgavock (1829-1905) (b. 1829) |
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| bessie hunter dawson mcgavock American artist, US (b. 1889) |
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| felix g. mcgavock American politician |
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| jonathan mcgavock researcher |
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| william gillespie mcgavock Ph.D. Duke University 1939 |
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| louisa caroline mcgavock (1798-1878) |
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| jacob mcgavock |
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