Etymology and distribution of 倉坂.

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!

「倉坂」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 倉坂

Distribution of 倉坂
Ranking
1 Nabari-shi(0.037%)
2 Ueda-shi(0.0227%)
3 Iga-shi(0.0199%)
4 Kitakatsushika-gun Matsubushi-machi(0.0175%)
5 Komoro-shi(0.0156%)
6 Kasama-shi(0.0144%)
7 Eniwa-shi(0.013%)
8 Chikuma-shi(0.00568%)
9 Yokohama-shi Kanagawa-ku(0.00512%)
10 Habikino-shi(0.00392%)
11 Kanazawa-shi(0.00392%)
12 Hakusan-shi(0.00375%)
13 Yachiyo-shi(0.00309%)
14 Izumi-shi(0.00284%)
15 Hakodate-shi(0.0025%)
16 Kushiro-shi(0.00181%)
17 Yokkaichi-shi(0.00149%)
18 Ichikawa-shi(0.00132%)
19 Matsudo-shi(0.00116%)
20 Nerima-ku(0.00105%)
21 Yokosuka-shi(0.00102%)
22 Niigata-shi(0.00052%)