Etymology and distribution of 司馬.

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!

「司馬」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 司馬

Distribution of 司馬
Ranking
1 Oosaka-fu(About 90)
2 Hyougo-ken(About 90)
3 Ehime-ken(About 60)
4 Kyouto-fu(About 40)
5 Kanagawa-ken(About 40)
6 Hokkaidou(About 30)
7 Toukyou-to(About 30)
7 Tokushima-ken(About 30)
7 Chiba-ken(About 30)
10 Ibaraki-ken(About 20)
11 Fukushima-ken(About 20)
12 Gunma-ken(About 10)
12 Aichi-ken(About 10)
12 Saitama-ken(About 10)
15 Fukuoka-ken(About 10)
15 Shiga-ken(About 10)
15 Nara-ken(About 10)
18 Kagawa-ken(Very rare)
18 Shizuoka-ken(Very rare)
18 Aomori-ken(Very rare)
18 Tochigi-ken(Very rare)
18 Niigata-ken(Very rare)
18 Okayama-ken(Very rare)
18 Gifu-ken(Very rare)