Etymology and distribution of 射水.

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!

「射水」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 射水

Distribution of 射水
Ranking
1 Nishinomiya-shi(About 10)
1 Sapporo-shi Atsubetsu-ku(About 10)
1 Sapporo-shi Kiyota-ku(About 10)
1 Yao-shi(About 10)
5 Kyouto-shi Shimogyou-ku(Very rare)
5 Uji-shi(Very rare)
5 Kitami-shi(Very rare)
5 Sapporo-shi Toyohira-ku(Very rare)
5 Sunagawa-shi(Very rare)
5 Bibai-shi(Very rare)
5 Tomakomai-shi(Very rare)
5 Chiba-shi Mihama-ku(Very rare)
5 Matsudo-shi(Very rare)
5 Suita-shi(Very rare)
5 Takatsuki-shi(Very rare)
5 Takaoka-shi(Very rare)
5 Gifu-shi(Very rare)
5 Shinagawa-ku(Very rare)
5 Kodaira-shi(Very rare)
5 Higashikurume-shi(Very rare)
5 Nerima-ku(Very rare)
5 Adzumino-shi(Very rare)
5 Hamamatsu-shi(Very rare)