「Koyaguchi」(こやぐち)さんの名字の由来、語源、分布。

Okayama-ken Ibara-shi . Creation . The real state of Buddhism terminology means "the appearance of truth". Okayama-ken Ibara-shi Meiji New surname by monk of Saigo-ji of Shogojin in Yoshii-machi Uto River.

2019年 7月 6日更新

Whole Japan		Prefectures
レベル	2	1　Mie-ken(About 20) 2　Shizuoka-ken(Very rare) 2　Kanagawa-ken(Very rare) 2　Toukyou-to(Very rare) 2　Chiba-ken(Very rare)
Population	About 30
Ranking	Out of ranking

Rank by city
1　Suzuka-shi(About 10) 2　Matsusaka-shi(Very rare) 2　Yokkaichi-shi(Very rare) 2　Yokohama-shi Totsuka-ku(Very rare) 2　Susono-shi(Very rare) 2　Bunkyou-ku(Very rare) 2　Chiba-shi Wakaba-ku(Very rare)