Etymology and distribution of 渡士.

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!

「渡士」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 渡士

Distribution of 渡士
Ranking
1 Sakai-shi(About 40)
2 Kishiwada-shi(About 40)
3 Higashioosaka-shi(About 30)
3 Kaidzuka-shi(About 30)
5 Izumi-shi(About 10)
6 Kyouto-shi Fushimi-ku(About 10)
6 Oosaka-shi Joutou-ku(About 10)
6 Hirakata-shi(About 10)
6 Sen'nan-gun Kumatori-chou(About 10)
6 Yamatokooriyama-shi(About 10)
11 Kyouto-shi Yamashina-ku(Very rare)
11 Matsudo-shi(Very rare)
11 Oosaka-shi Sumiyoshi-ku(Very rare)
11 Oosaka-shi Higashiyodogawa-ku(Very rare)
11 Oosaka-shi Minato-ku(Very rare)
11 Oosaka-shi Fukushima-ku(Very rare)
11 Oosakasayama-shi(Very rare)
11 Tondabayashi-shi(Very rare)
11 Neyagawa-shi(Very rare)
11 Kashiwara-shi(Very rare)
11 Izumisano-shi(Very rare)
11 Kadoma-shi(Very rare)
11 Han'nan-shi(Very rare)
11 Takatsuki-shi(Very rare)
11 Ikoma-shi(Very rare)