Family name Coursac (Coursac 
) , worldwide, is a rare cognomen. The surname Coursac is characteristic of Western Europe, particularly France, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Coursac | France |
| henry de coursac French journalist (1858-1920), FR (b. 1858) |
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| paul girault de coursac (b. 1916) |
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| pierrette girault de coursac (b. 1927) |
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