Etymology and distribution of 楽山.

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!

「楽山」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 楽山

Distribution of 楽山
Ranking
1 Tokachishi-chou Toyokoro-chou(0.276%)
2 Kurobe-shi(0.0675%)
3 Kamikawashi-chou Bifuka-chou(0.0517%)
4 Uodzu-shi(0.0472%)
5 Chichibu-gun Nagatoro-machi(0.0416%)
6 Tokachishi-chou Ikeda-chou(0.0341%)
7 Namerikawa-shi(0.0226%)
8 Sapporo-shi Nishi-ku(0.00719%)
9 Tsushima-shi(0.0069%)
10 Obihiro-shi(0.00655%)
11 Ibusuki-shi(0.00655%)
12 Yawata-shi(0.00639%)
13 Yokkaichi-shi(0.00597%)
14 Fujimino-shi(0.00509%)
15 Matsubara-shi(0.00346%)
16 Nagareyama-shi(0.00337%)
17 Asahikawa-shi(0.00311%)
18 Yokohama-shi Isogo-ku(0.00306%)
19 Oushuu-shi(0.00289%)
20 Suzuka-shi(0.00246%)
21 Sapporo-shi Kita-ku(0.0019%)
22 Kushiro-shi(0.00181%)
23 Kashiwa-shi(0.00147%)
24 Takasaki-shi(0.0012%)
25 Matsudo-shi(0.00116%)
26 Edogawa-ku(0.00105%)
27 Sakai-shi(0.000572%)