Cognomen Iwagi (Iwagi ) , in the world, is an extremely rare surname. Much more frequently, Iwagi is the forename as well as the last name.
Iwajo, Iwaki, Iwashiro, イワギ, and 岩城
Ono, Sasano, and Sakamoto
) , in the world, is an extremely rare surname. Much more frequently, Iwagi is the forename as well as the last name.