In all the world, Davydych (Davydych , Давыдыч , Давидич ) is an extremely rare unknown gender first name. Much more frequently, Davydych is the last name as well as the forename.
Давидыч, and Давыдич
Viktor
, Давыдыч 
, Давидич 
) is an extremely rare unknown gender first name. Much more frequently, Davydych is the last name as well as the forename.