Cognomen Козырь-Ясковец (Козырь-Ясковец 
) , all over the world, is an extremely rare last name. The surname Козырь-Ясковец is habitual in Eastern Europe, particularly Russia, where it is an extremely rare surname. Parts of the name also exists independently as a last name Козырь, and a last name Ясковец.
| VARIANT | COUNTRY |
|---|---|
| Козырь-Ясковец | Russia |