Etymology and distribution of 久好.

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 久好.

カンマ区切りで複数の名字を指定できます。

Etymology of 久好

Distribution of 久好
Ranking
1 Kumage-gun Kaminoseki-chou(0.053%)
2 Miyako-gun Kanda-machi(0.0137%)
3 Nakama-shi(0.00824%)
4 Sasayama-shi(0.00801%)
5 Kitakyuushuu-shi Yahatahigashi-ku(0.00507%)
6 Nasushiobara-shi(0.00409%)
7 Jouetsu-shi(0.00182%)
8 Toyonaka-shi(0.00131%)
9 Shimonoseki-shi(0.00127%)