Etymology and distribution of 川沢.

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!

「川沢」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 川沢

Distribution of 川沢
Ranking
1 Tosa-shi(0.283%)
2 Takaoka-gun Hidaka-mura(0.0533%)
3 Koyu-gun Shintomi-chou(0.044%)
4 Kouchi-shi(0.0312%)
5 Tosashimizu-shi(0.0288%)
6 Aki-gun Saka-chou(0.0281%)
7 Takaoka-gun Sakawa-chou(0.0208%)
8 Anpachi-gun Goudo-chou(0.0192%)
9 Agawa-gun Ino-chou(0.0115%)
10 Miyoshi-shi(0.011%)
11 Oosakasayama-shi(0.00823%)
12 Han'nan-shi(0.00785%)
13 Kosai-shi(0.00715%)
14 Oosaka-shi Kita-ku(0.00668%)
15 Kitanagoya-shi(0.00616%)
16 Nabari-shi(0.00528%)
17 Oosaka-shi Higashisumiyoshi-ku(0.00376%)
18 Oosaka-shi Sumiyoshi-ku(0.00366%)
19 Oosaka-shi Ikuno-ku(0.0035%)
20 Arakawa-ku(0.00324%)
21 Suita-shi(0.0031%)
22 Itami-shi(0.00263%)
23 Oogaki-shi(0.00262%)
24 Kitakyuushuu-shi Kokuraminami-ku(0.00242%)
25 Kyouto-shi Ukyou-ku(0.00239%)
26 Koube-shi Kita-ku(0.0022%)
27 Chigasaki-shi(0.00214%)
28 Hiratsuka-shi(0.00193%)
29 Oota-ku(0.00187%)
30 Higashioosaka-shi(0.00187%)
31 Kita-ku(0.00173%)
32 Tokushima-shi(0.00167%)
33 Nishinomiya-shi(0.0012%)
34 Sakai-shi(0.00114%)
35 Amagasaki-shi(0.00107%)
36 Okayama-shi(0.000689%)