Etymology and distribution of 雨澤.

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!

「雨澤」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 雨澤

Distribution of 雨澤
Ranking
1 Higashiibaraki-gun Ooarai-machi(0.205%)
2 Hitachinaka-shi(0.0476%)
3 Naka-gun Toukai-mura(0.0233%)
4 Chuuou-shi(0.0137%)
5 Oura-gun Ooizumi-machi(0.0123%)
6 Oshimashi-chou Nanae-chou(0.0123%)
7 Yoshikawa-shi(0.00943%)
8 Mito-shi(0.00865%)
9 Shimotsuke-shi(0.00834%)
10 Hokuto-shi(0.00806%)
11 Kiyose-shi(0.00762%)
12 Komae-shi(0.0073%)
13 Kashima-shi(0.00701%)
14 Kodaira-shi(0.00681%)
15 Ryuugasaki-shi(0.00657%)
16 Kyouto-shi Shimogyou-ku(0.00582%)
17 Chino-shi(0.00562%)
18 Nishitoukyou-shi(0.00316%)
19 Sayama-shi(0.00305%)
20 Kiryuu-shi(0.00281%)
21 Koufu-shi(0.00198%)
22 Kita-ku(0.00173%)
23 Yokkaichi-shi(0.00149%)
24 Machida-shi(0.00135%)
25 Ichikawa-shi(0.00132%)
26 Itabashi-ku(0.00132%)
27 Akita-shi(0.00119%)
28 Matsudo-shi(0.00116%)
29 Iwaki-shi(0.00115%)
30 Hachiouji-shi(0.00102%)