Last name Исакай (Исакай ) , all around the world, is an extremely rare family name. Much more frequently, Исакай is the forename as well as the last name.
Isakai, Isakaj, and Isakay
Куппинский
) , all around the world, is an extremely rare family name. Much more frequently, Исакай is the forename as well as the last name.