Etymology and distribution of 教川.

Kyoukawa 【教川】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Oosaka-fu Oosaka-shi Ikunoku, Oosaka-fu Higashioosaka-shi . Korean type . There is a record of naturalization on Oosaka-fu Higashioosaka-shi on May 26, 1981. The real name is Hong. 洪 Kou reference.

※ Oosaka-fu Oosaka-shi Distributed in Ikono-ku Alley. There are examples that male doctors used as a name in the Edo period.