Etymology and distribution of 河内屋.

Kawachiya 【河内屋】^{レベル3
About 90}  The Japanese surnames etymology dictionary.

Aichi-ken , Hiroshima-ken , Hyougo-ken .

① Aichi-ken Shinshiro-shi hands brought from Kishiwada. A place name with a record since the Warring States Period. It tells that in the same place it was called from 1615 to 1624 (Yuanwa year). There are also places to name the place name from the name of Mr. Kinwada.

② Nagasaki-ken Tsushima-shi Originated from Towa field of Uchiyama Uchiyama's small character.

③ Toyama-ken Himi-shi Originated from Kisowatazaka of the Nagasaka's small character.