Family name Cyriakus (Cyriakus ) , all over the world, is an extremely rare last name. Much more frequently, Cyriakus is the forename as well as the last name.
Ciriaco, Cyriac, Cyriacus, Cyriak, Cyriaque, and Кириак
Wagner, and Schmidt
) , all over the world, is an extremely rare last name. Much more frequently, Cyriakus is the forename as well as the last name.