Etymology and distribution of 坂当.

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

Ratio of 坂当.

カンマ区切りで複数の名字を指定できます。

Etymology of 坂当

Distribution of 坂当
Ranking
1 Kitakyuushuu-shi Moji-ku(0.00347%)
2 Tachikawa-shi(0.00334%)
3 Higashihiroshima-shi(0.00249%)
4 Kure-shi(0.00132%)