Etymology and distribution of 長岡.

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!

「長岡」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 長岡

Distribution of 長岡
Ranking
1 Yamagata-ken(0.362%)
2 Shimane-ken(0.156%)
3 Yamaguchi-ken(0.0989%)
4 Gunma-ken(0.0862%)
5 Ooita-ken(0.075%)
6 Nagasaki-ken(0.0724%)
7 Ehime-ken(0.0573%)
8 Hiroshima-ken(0.055%)
9 Tokushima-ken(0.0524%)
10 Ibaraki-ken(0.0467%)
11 Kouchi-ken(0.0456%)
12 Hokkaidou(0.0414%)
13 Nagano-ken(0.0413%)
14 Kyouto-fu(0.0397%)
15 Iwate-ken(0.0391%)
16 Saitama-ken(0.0377%)
17 Hyougo-ken(0.0376%)
18 Akita-ken(0.0366%)
19 Kanagawa-ken(0.0363%)
20 Toukyou-to(0.0356%)
21 Tochigi-ken(0.0355%)
22 Fukuoka-ken(0.0352%)
23 Miyazaki-ken(0.0336%)
24 Oosaka-fu(0.0335%)
25 Chiba-ken(0.0325%)
26 Tottori-ken(0.0309%)
27 Nara-ken(0.0294%)
28 Wakayama-ken(0.0284%)
29 Mie-ken(0.0282%)
30 Toyama-ken(0.0281%)
31 Fukushima-ken(0.0245%)
32 Okayama-ken(0.023%)
33 Ishikawa-ken(0.0219%)
34 Fukui-ken(0.021%)
35 Niigata-ken(0.0183%)
36 Shiga-ken(0.0179%)
37 Miyagi-ken(0.0175%)
38 Kagawa-ken(0.016%)
39 Aichi-ken(0.0159%)
40 Shizuoka-ken(0.0135%)
41 Aomori-ken(0.0131%)
42 Yamanashi-ken(0.0122%)
43 Kagoshima-ken(0.0122%)
44 Gifu-ken(0.0121%)
45 Kumamoto-ken(0.01%)
46 Saga-ken(0.0074%)
47 Okinawa-ken(0.00357%)