「Iwahi」(いわひ)さんの名字の由来、語源、分布。

Oosaka-fu , Ehime-ken , Fukuoka-ken . 宇治本 there last name. Ehime-ken Uwajima-shi In Marunouchi it is said that Kyouto-fu Kyouto-shi came back home around the Warring States Period. It was in the Edo period in Nara-ken Yoshino-gun Totsukawa-mura .

2023年 3月 24日更新

Whole Japan		Prefectures
レベル	2	1　Oosaka-fu(About 10) 2　Shimane-ken(About 10) 3　Nagano-ken(Very rare) 3　Hyougo-ken(Very rare) 3　Kyouto-fu(Very rare)
Population	About 30
Ranking	Out of ranking

Rank by city
1　Un'nan-shi(About 10) 2　Uji-shi(Very rare) 2　Shimoina-gun Takamori-machi(Very rare) 2　Kadoma-shi(Very rare) 2　Minoo-shi(Very rare) 2　Higashioosaka-shi(Very rare) 2　Itami-shi(Very rare)