Etymology and distribution of 小坂井.

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!

「小坂井」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 小坂井

Distribution of 小坂井
Ranking
1 Aichi-ken(About 800)
2 Niigata-ken(About 400)
3 Nagano-ken(About 200)
4 Gifu-ken(About 140)
5 Toukyou-to(About 120)
6 Oosaka-fu(About 100)
7 Kanagawa-ken(About 80)
7 Saitama-ken(About 80)
9 Miyagi-ken(About 70)
10 Chiba-ken(About 60)
11 Shizuoka-ken(About 40)
11 Mie-ken(About 40)
13 Hyougo-ken(About 30)
14 Gunma-ken(About 30)
14 Hokkaidou(About 30)
14 Kyouto-fu(About 30)
17 Fukushima-ken(About 10)
17 Fukuoka-ken(About 10)
19 Ibaraki-ken(About 10)
19 Fukui-ken(About 10)
19 Hiroshima-ken(About 10)
19 Yamanashi-ken(About 10)
19 Toyama-ken(About 10)
24 Aomori-ken(Very rare)
24 Nagasaki-ken(Very rare)
24 Ishikawa-ken(Very rare)
24 Shiga-ken(Very rare)
24 Okayama-ken(Very rare)
24 Ooita-ken(Very rare)