Etymology and distribution of 馬河.

Umakawa 【馬河】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

Gunma-ken Kiryuu-shi , Kagawa-ken , Hokkaidou .

① Gunma-ken Kiryuu-shi Originated from the vicinity of a wetland called Oimo Pond in Shimotazawa, Kurointory Town.

② Origin of Aichi-ken Western (formerly Owariari). Place name with a record since the Kofun period. Tell Kouchi - ken Kouchi - shi that you combined Owari 's "Tail" and a real pond "Pond". Kouchi-ken Kouchi-shi Marunouchi was in the Edo period in the Tosa clan of the clan office. 池 Ike reference.

③ Kumamoto-ken Tamana-shi Tendai town Oda is a place name with a record since the Edo period. Tell him that he was engaged in agriculture in the same area. Estimated in the Edo period.