Last name Mccargar (Mccargar 
) , in all the world, is a rare cognomen. The cognomen Mccargar is characteristic of Canada, where it is a rare surname, the United States, and New Zealand.
| VARIANT | COUNTRY |
|---|---|
| Mccargar | New Zealand, Canada, United States |
| jesse mccargar American businessman, US (b. 1879) |
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| eleanor barker mccargar US (b. 1913) |
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| shelley i mccargar researcher |
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| linda mccargar researcher |
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| laura mccargar US |
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