Etymology and distribution of 海内.

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!

「海内」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 海内

Distribution of 海内
Ranking
1 Fuchuu-shi(0.0667%)
2 Imizu-shi(0.053%)
3 Kitatsugaru-gun Nakadomari-machi(0.0209%)
4 Kamimashiki-gun Yamato-chou(0.0176%)
5 Kume-gun Misaki-chou(0.0174%)
6 Nishitama-gun Mizuho-machi(0.0149%)
7 Toyama-shi(0.0134%)
8 Kamiamakusa-shi(0.00998%)
9 Tonami-shi(0.00824%)
10 Himi-shi(0.00639%)
11 Oyama-shi(0.00637%)
12 Takaoka-shi(0.00613%)
13 Maniwa-shi(0.00589%)
14 Kyouto-shi Shimogyou-ku(0.00582%)
15 Toukai-shi(0.00478%)
16 Taitou-ku(0.00373%)
17 Amakusa-shi(0.00328%)
18 Houfu-shi(0.00325%)
19 Fukuoka-shi Sawara-ku(0.00312%)
20 Chiba-shi Hanamigawa-ku(0.00295%)
21 Hiroshima-shi Asakita-ku(0.00287%)
22 Meguro-ku(0.00267%)
23 Toyohashi-shi(0.00257%)
24 Atsugi-shi(0.00257%)
25 Shuunan-shi(0.00243%)
26 Souka-shi(0.00242%)
27 Yamaguchi-shi(0.00205%)
28 Tokorozawa-shi(0.00162%)
29 Fukui-shi(0.00155%)
30 Machida-shi(0.00135%)
31 Fujisawa-shi(0.00133%)
32 Hirakata-shi(0.00125%)
33 Ichinomiya-shi(0.00123%)
34 Kawaguchi-shi(0.00107%)
35 Adachi-ku(0.000917%)
36 Fukuyama-shi(0.000897%)