Etymology and distribution of 五十川.

Isokawa 【五十川】^{レベル5
About 5,300}  The Japanese surnames etymology dictionary.

Saitama-ken · Iwate-ken . 井坪 surname is present.

Ikagawa 【五十川】^{レベル5
About 5,300}  The Japanese surnames etymology dictionary.

Shimane-ken Izumo-shi · Okayama-ken · Fukuoka-ken . Terrain . From the pond and the bridge. Shimane-ken Izumo-shi Distributed in the town Hikawa-cho.

Igawa 【五十川】^{レベル5
About 5,300}  The Japanese surnames etymology dictionary.

Kagoshima-ken .

① Kagoshima-ken Shibushi-shi Ariake-cho Iisaki birth. A place name with a record since the Muromachi period. The place name was also written as "Ikizaki." There was Izakita gate of the gate division system in the Edo period in the same place.

② Topography . Kagoshima-ken Kimotsuki-gun Kimotsuki-chou From the Isaigata gate of the gate division system that was in the Edo era in Miyashita. The gate name comes from the projected land and field.

Isogawa 【五十川】^{レベル5
About 5,300}  The Japanese surnames etymology dictionary.

Kyouto-fu Jouyou-shi . A variant of the 一宝 .