Etymology and distribution of 下川.

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!

「下川」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 下川

Distribution of 下川
Ranking
1 Fukuoka-ken(0.15%)
2 Ooita-ken(0.0647%)
3 Kumamoto-ken(0.0593%)
4 Saga-ken(0.0582%)
5 Tokushima-ken(0.0473%)
6 Nagasaki-ken(0.0456%)
7 Kagoshima-ken(0.0395%)
8 Iwate-ken(0.0311%)
9 Yamaguchi-ken(0.0299%)
10 Kagawa-ken(0.0271%)
11 Hiroshima-ken(0.027%)
12 Nagano-ken(0.0238%)
13 Mie-ken(0.0232%)
14 Oosaka-fu(0.0229%)
15 Ishikawa-ken(0.0205%)
16 Fukui-ken(0.0201%)
17 Hyougo-ken(0.0198%)
18 Gifu-ken(0.0196%)
19 Toukyou-to(0.0179%)
20 Shiga-ken(0.0172%)
21 Kyouto-fu(0.0161%)
22 Kanagawa-ken(0.0155%)
23 Aomori-ken(0.0144%)
24 Chiba-ken(0.014%)
25 Hokkaidou(0.0134%)
26 Aichi-ken(0.0128%)
27 Miyazaki-ken(0.0126%)
28 Nara-ken(0.0125%)
29 Okayama-ken(0.0122%)
30 Wakayama-ken(0.012%)
31 Kouchi-ken(0.0108%)
32 Saitama-ken(0.0101%)
33 Yamanashi-ken(0.00886%)
34 Shizuoka-ken(0.00832%)
35 Ibaraki-ken(0.00684%)
36 Toyama-ken(0.00616%)
37 Tochigi-ken(0.00532%)
38 Gunma-ken(0.00466%)
39 Shimane-ken(0.00417%)
40 Ehime-ken(0.00344%)
41 Fukushima-ken(0.00341%)
42 Miyagi-ken(0.00271%)
43 Okinawa-ken(0.00238%)
44 Akita-ken(0.000899%)
45 Niigata-ken(0.000644%)
46 Yamagata-ken(0.000311%)