Etymology and distribution of 甚内.

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!

「甚内」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 甚内

Distribution of 甚内
Ranking
1 Nakaniikawa-gun Kamiichi-machi(About 50)
2 Toyama-shi(About 20)
3 Yokote-shi(About 10)
4 Sapporo-shi Toyohira-ku(About 10)
4 Kita-ku(About 10)
4 Nasushiobara-shi(About 10)
7 Sapporo-shi Kiyota-ku(Very rare)
7 Sapporo-shi Shiroishi-ku(Very rare)
7 Ageo-shi(Very rare)
7 Kitaadachi-gun Ina-machi(Very rare)
7 Koshigaya-shi(Very rare)
7 Suita-shi(Very rare)
7 Hino-shi(Very rare)
7 Ootawara-shi(Very rare)
7 Kawasaki-shi Nakahara-ku(Very rare)
7 Yokohama-shi Kouhoku-ku(Very rare)
7 Yokohama-shi Seya-ku(Very rare)
7 Tsukuba-shi(Very rare)