Etymology and distribution of 楳原.

Umehara 【楳原】^{レベル3
About 400}  The Japanese surnames etymology dictionary.

Iwate-ken , Miyagi-ken . Chiba-ken also includes oyoshiwa. Heterogeneity of the 大井川 . Iwate - ken Oushuu - shi In Esashi Yuli, tell him that Mr. Osugawa , the vice president of Mr. Kusunoki, came and changed his name during the North and South morning era. 大井川 Ooigawa reference. Iwate-ken Oushuu-shi In Esashi Yanagawa, I made a mistake in 1382 (2 years in Eikoku and 2 years in Hirokazu) who came from near the Oigawa of Shizuoka-ken and asked to apply for the Oigawa surname at the Meiji New surname Tell them.

* Originated from Oikawa-so of Hyougo-ken Toyooka-shi (formerly Shirosaki gun). Period, location unknown. Iwate-ken Ichinoseki-shi There is a tradition in Fujisawa-machi west entrance.

※ Kanagawa-ken Atsugi-shi Oikawa (Oigawa) is a place name with a record since the Sengoku period.

Umebara 【楳原】^{レベル3
About 400}  The Japanese surnames etymology dictionary.

Kanagawa-ken , Chiba-ken , Toukyou-to . Heterogeneity of the 大井川 . Saitama-ken Hanyuu-shi In Imaizumi it is Oikawa surname in the Edo period. Kanagawa-ken Yokohama-shi Shin Kita-ku Shinyoshida-cho, Shinyoshida east, Akita-ken Akita-shi Chiaki Park was in the Edo era in the Kubota Samurai of the Clan office. 大井川 Ooigawa reference.

※ Fukushima-ken Kawanuma-gun Yugawa-mura Sugawa is a place name with a record since the Edo period.