Around the world, Купецкий (Купецкий , Kupetsky , Kupecký) is an extremely rare unknown gender forename. Much more frequently, Купецкий is the last name as well as the forename.
Jan, Kupetskii, Kupetskiy, and Kupiecki
Олег, Иван, Юрий, Игорь, Андрей, Виктор, Леонид, Сергей, Алексей, Дмитрий, Василий, Ярослав, Владимир, Вячеслав, Александр, and Константин
, Kupetsky 
, Kupecký) is an extremely rare unknown gender forename. Much more frequently, Купецкий is the last name as well as the forename.