Etymology and distribution of 古岩.

Furuiwa 【古岩】^{レベル3
About 200}  The Japanese surnames etymology dictionary.

Nagano-ken , Toyama-ken , Hokkaidou .

① Niigata-ken Niigata-shi Birth of Yoshie, Minami-ku. In the Kamakura period there was a place name with a record of "Yoshi". Nagano-ken Chino-shi I tell you that he came from Nagano-ken Kamiina-gun Tatsuno-machi in 1645 (Masayoshi 2) at Lake East Sasahara.

② Originated from Yoshie of Toyama-ken Nanto-shi . A place name with a record since the Kamakura period. It is distributed in the same place.

③ Fukui-ken Sabae-shi Originated in Yoshie-machi. A place name with a record since the Edo period. Fukui-ken Fukui-shi In front descending town I will tell you that it was also described as "Yoshie" in descendants of Mr. Horie. 堀江 Horie reference.

Koiwa 【古岩】^{レベル3
About 200}  The Japanese surnames etymology dictionary.

Hokkaidou Hiyamashi-chou Esashi-chou . 笹波 surname. Hokkaidou Hiyamashi-chou Esashi-chou Distributed in Shigejiri-cho.