Etymology and distribution of 古岩.

The Japanese surnames etymology dictionary.
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在日通名大全

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「古岩」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 古岩

Distribution of 古岩
Ranking
1 Kawabe-gun Inagawa-chou(0.0545%)
2 Uwajima-shi(0.0389%)
3 Otokuni-gun Ooyamazaki-chou(0.0262%)
4 Katsuragi-shi(0.0246%)
5 Kaisou-gun Kimino-chou(0.0241%)
6 Shiraoka-shi(0.0205%)
7 Arida-gun Aridagawa-chou(0.0115%)
8 Tomisato-shi(0.0107%)
9 Ikeda-shi(0.00933%)
10 Sen'nan-shi(0.00727%)
11 Izumiootsu-shi(0.00628%)
12 Oosaka-shi Miyakojima-ku(0.00613%)
13 Oosaka-shi Minato-ku(0.00609%)
14 Kainan-shi(0.00565%)
15 Chiba-shi Mihama-ku(0.00405%)
16 Oosaka-shi Yodogawa-ku(0.00372%)
17 Chiba-shi Chuuou-ku(0.00311%)
18 Tsukuba-shi(0.00266%)
19 Kishiwada-shi(0.00224%)
20 Kasukabe-shi(0.00213%)
21 Wakayama-shi(0.00207%)
22 Suginami-ku(0.00133%)
23 Takatsuki-shi(0.00132%)
24 Kure-shi(0.00132%)
25 Toyonaka-shi(0.00131%)
26 Funabashi-shi(0.000953%)
27 Setagaya-ku(0.000814%)
28 Sakai-shi(0.000572%)