Etymology and distribution of 宮階.

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
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Ratio of 宮階.

カンマ区切りで複数の名字を指定できます。

Etymology of 宮階

Distribution of 宮階
Ranking
1 Kyouto-fu(0.00266%)
2 Hyougo-ken(0.00131%)
3 Tottori-ken(0.00121%)
4 Ishikawa-ken(0.00102%)
5 Oosaka-fu(0.000576%)
6 Kanagawa-ken(0.000307%)
7 Kumamoto-ken(0.000228%)
8 Niigata-ken(0.000161%)
9 Saitama-ken(0.000147%)
10 Chiba-ken(Very rare)
11 Toukyou-to(Very rare)