In all the world, Козырь-Яскевич (Козырь-Яскевич 
) is an extremely rare unknown gender forename. Much more prevalently, Козырь-Яскевич is the last name as well as the forename. Parts of the name also exists independently as a last name Козырь, and a last name Яскевич.
| VARIANT | COUNTRY |
|---|---|
| Козырь-Яскевич | Russia |