Etymology and distribution of 根.

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!

「根」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 根

Distribution of 根
Ranking
1 Katagami-shi(About 100)
2 Akita-shi(About 40)
3 Chiba-shi Chuuou-ku(About 10)
3 Chiba-shi Mihama-ku(About 10)
3 Arakawa-ku(About 10)
3 Daisen-shi(About 10)
7 Ebetsu-shi(Very rare)
7 Tokachishi-chou Memuro-chou(Very rare)
7 Tomakomai-shi(Very rare)
7 Ooamishirasato-shi(Very rare)
7 Ichihara-shi(Very rare)
7 Narashino-shi(Very rare)
7 Toda-shi(Very rare)
7 Oosaka-shi Higashiyodogawa-ku(Very rare)
7 Sendai-shi Aoba-ku(Very rare)
7 Shibata-shi(Very rare)
7 Kodaira-shi(Very rare)
7 Bunkyou-ku(Very rare)
7 Adachi-ku(Very rare)
7 Utsunomiya-shi(Very rare)
7 Hakui-gun Shika-machi(Very rare)
7 Wajima-shi(Very rare)
7 Yokohama-shi Izumi-ku(Very rare)
7 Yokosuka-shi(Very rare)
7 Ebina-shi(Very rare)
7 Sagamihara-shi(Very rare)
7 Fujisawa-shi(Very rare)
7 Kamakura-shi(Very rare)
7 Iwaki-shi(Very rare)