Etymology and distribution of 河原井.

Kawarai 【河原井】^{レベル4
About 1,100}  The Japanese surnames etymology dictionary.

Kanagawa-ken , Aichi-ken , Toukyou-to .

① Topography . Aichi-ken Ichinomiya-shi It is said that Mr. Yuki called in the Northern and Morning Dynasty because there was a rice growing in the temple temple . Mie-ken Yokkaichi-shi Tradition in Kawahara-cho. 結城 Yuuki reference. Kanagawa-ken Hadano-shi There is a record in Yanagawa in 1505 (Year two years). It was in the Aichi-ken Ichinomiya-shi during the Warring States Period. Good neighbor . Okayama-ken Okayama-shi There is distribution in Naka-ku.

② Niigata-ken Jouetsu-shi Birth of Kumazawa Urakawa-ku. A place name with a record since the Edo period. Miyagi-ken Sendai-shi Aoba-ku Kawauchi was in the Edo era in the Sendai Samurai of the Clan office.

③ Yamanashi-ken Minamikoma-gun Minobu-chou Origin of Kumasawa (Kumazawa). Tell him that it was called Muromachi period in the same place.