Etymology and distribution of 久楽.

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!

「久楽」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 久楽

Distribution of 久楽
Ranking
1 Shuunan-shi(About 200)
2 Houfu-shi(About 20)
3 Suita-shi(About 10)
3 Toyonaka-shi(About 10)
3 Ube-shi(About 10)
3 Yamaguchi-shi(About 10)
3 Oyama-shi(About 10)
8 Yokkaichi-shi(Very rare)
8 Takaradzuka-shi(Very rare)
8 Koube-shi Tarumi-ku(Very rare)
8 Kawagoe-shi(Very rare)
8 Oosaka-shi Chuuou-ku(Very rare)
8 Oosaka-shi Nishiyodogawa-ku(Very rare)
8 Neyagawa-shi(Very rare)
8 Ibaraki-shi(Very rare)
8 Kadoma-shi(Very rare)
8 Takatsuki-shi(Very rare)
8 Kudamatsu-shi(Very rare)
8 Hikari-shi(Very rare)
8 Iwakuni-shi(Very rare)
8 Kumage-gun Tabuse-chou(Very rare)
8 Hokuto-shi(Very rare)
8 Hiroshima-shi Saeki-ku(Very rare)
8 Hiroshima-shi Asakita-ku(Very rare)
8 Hiroshima-shi Asaminami-ku(Very rare)
8 Nerima-ku(Very rare)
8 Shioya-gun Shioya-machi(Very rare)
8 Fukuoka-shi Hakata-ku(Very rare)
8 Ushiku-shi(Very rare)