Etymology and distribution of 正川.

The Japanese surnames etymology dictionary.
https://play.google.com/store/apps/details?id=info.jigensha.jcedfreeGoogle Play で手に入れよう https://apps.apple.com/us/app/id1471109324
↑オフライン検索できるアプリもどうぞ
在日通名大全

日本初、在日通名の研究書「在日通名大全」発売中!
ネットの電話帳 住宅地図 マッポン!

「正川」さんの名字の分布数。

カンマ区切りで複数の名字を指定できます。

Etymology of 正川

Distribution of 正川
Ranking
1 Imizu-shi(About 30)
2 Gamou-gun Hino-chou(About 20)
3 Kawachinagano-shi(About 10)
3 Kure-shi(About 10)
3 Tamana-gun Nankan-machi(About 10)
3 Yokohama-shi Aoba-ku(About 10)
7 Kakogawa-shi(Very rare)
7 Nishinomiya-shi(Very rare)
7 Isumi-shi(Very rare)
7 Beppu-shi(Very rare)
7 Yao-shi(Very rare)
7 Habikino-shi(Very rare)
7 Takaichi-gun Takatori-chou(Very rare)
7 Toyama-shi(Very rare)
7 Yanai-shi(Very rare)
7 Koufu-shi(Very rare)
7 Hiroshima-shi Asakita-ku(Very rare)
7 Nagoya-shi Tenpaku-ku(Very rare)
7 Komaki-shi(Very rare)
7 Hachiouji-shi(Very rare)
7 Tamana-shi(Very rare)
7 Yamato-shi(Very rare)
7 Hiratsuka-shi(Very rare)
7 Yokohama-shi Midori-ku(Very rare)
7 Yokohama-shi Tsudzuki-ku(Very rare)