Isawa 【石禾】2 The Japanese surnames etymology dictionary.
① Topography . From the stone's side. Tokushima-ken Mima-gun Tsurugi-chou Tadashi Miyauchi tells Meiji New surname . Hyougo-ken Himeji-shi , Okayama-ken Ibara-shi was in the Edo period. Kumamoto-ken Amakusa-shi It was in the Edo era to the Governor of Gowa-cho. Tell him that Nagasaki-ken Nagasaki-shi is out there. Kagoshima-ken Aira-gun Yuusui-chou From the Ishimoto gate of the gate division system that was in the Edo period constantly.
② Shimane - ken Hamada - shi Asahi Town City tree · Hiroshima - ken Yamagata - gun Kitahiroshima - chou Originated from the vicinity of Mitsuishi mountain in Otsuki . "Mt. Mitsuishi is the book" means. Shimane-ken Tradition in Hamada-shi .