In all the world, Kovalyeva (Ковалёва , Kovalyeva ) is an extremely rare girly forename. Much more frequently, Kovalyeva is the last name as well as the forename.
Ковалева, Ковалиева, Ковальева, and Ковалєва
, Kovalyeva 
) is an extremely rare girly forename. Much more frequently, Kovalyeva is the last name as well as the forename.