Etymology and distribution of 忠岡.

The Japanese surnames etymology dictionary.
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在日通名大全

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「忠岡」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 忠岡

Distribution of 忠岡
Ranking
1 Shiki-gun Tawaramoto-chou(0.0615%)
2 Nakagami-gun Nakagusuku-son(0.0368%)
3 Yazu-gun Yazu-chou(0.0183%)
4 Oosaka-shi Asahi-ku(0.015%)
5 Oosaka-shi Taishou-ku(0.014%)
6 Izumiootsu-shi(0.0126%)
7 Minamata-shi(0.011%)
8 Ebetsu-shi(0.0107%)
9 Oosaka-shi Chuuou-ku(0.0103%)
10 Tottori-shi(0.00985%)
11 Koga-shi(0.00961%)
12 Izumi-shi(0.00851%)
13 Onomichi-shi(0.00624%)
14 Kinokawa-shi(0.0051%)
15 Hakodate-shi(0.005%)
16 Sakai-shi(0.00458%)
17 Kishiwada-shi(0.00449%)
18 Yokohama-shi Sakae-ku(0.004%)
19 Sapporo-shi Atsubetsu-ku(0.00397%)
20 Daitou-shi(0.00396%)
21 Oosaka-shi Sumiyoshi-ku(0.00366%)
22 Tachikawa-shi(0.00334%)
23 Mihara-shi(0.0033%)
24 Tomakomai-shi(0.00248%)
25 Kamakura-shi(0.00242%)
26 Koshigaya-shi(0.00177%)
27 Machida-shi(0.00135%)
28 Okazaki-shi(0.0013%)
29 Nara-shi(0.0012%)
30 Amagasaki-shi(0.00107%)
31 Nerima-ku(0.00105%)
32 Adachi-ku(0.000917%)
33 Kurashiki-shi(0.00089%)