Etymology and distribution of 内柴.

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!

「内柴」さんの名字の分布比率。

カンマ区切りで複数の名字を指定できます。

Etymology of 内柴

Distribution of 内柴
Ranking
1 Kushiroshi-chou Akkeshi-chou(0.158%)
2 Tahara-shi(0.0313%)
3 Tokachishi-chou Otofuke-chou(0.0184%)
4 Koushi-shi(0.0178%)
5 Shiki-gun Tawaramoto-chou(0.0123%)
6 Yatomi-shi(0.0109%)
7 Takikawa-shi(0.008%)
8 Zushi-shi(0.00659%)
9 Toyohashi-shi(0.00643%)
10 Gotenba-shi(0.00533%)
11 Higashimatsuyama-shi(0.00525%)
12 Hita-shi(0.00498%)
13 Yokohama-shi Kanazawa-ku(0.00484%)
14 Yokohama-shi Sakae-ku(0.004%)
15 Kushiro-shi(0.00362%)
16 Kashihara-shi(0.00355%)
17 Kumamoto-shi(0.0034%)
18 Kyouto-shi Nishikyou-ku(0.0033%)
19 Isahaya-shi(0.00289%)
20 Fukuoka-shi Minami-ku(0.00269%)
21 Koutou-ku(0.00156%)
22 Toyota-shi(0.00121%)
23 Utsunomiya-shi(0.000995%)
24 Funabashi-shi(0.000953%)
25 Shizuoka-shi(0.000581%)
26 Sakai-shi(0.000572%)