Across the world, Kozirev (Kozirev , Козирев ) is an extremely rare unknown gender first name. Much more frequently, Kozirev is the last name as well as the forename.
Kozyrev, and Козйрев
Mr, Alexander, Vladimir, Leeanne, Dmitriy, Matthew, Natali, Ruslan, Alisha, Sergei, Aleksandr, Sergey, Timur, Roman, Katya, Artur, Oleg, Ivan, Ilan, Ilia, Dima, Natan, and Konstantin
, Козирев