Etymology and distribution of 有沢.

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!

「有沢」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 有沢

Distribution of 有沢
Ranking
1 Kouchi-ken(0.105%)
2 Toyama-ken(0.1%)
3 Tottori-ken(0.0145%)
4 Hokkaidou(0.0113%)
5 Ishikawa-ken(0.00683%)
6 Oosaka-fu(0.00576%)
7 Shimane-ken(0.00556%)
8 Yamagata-ken(0.00404%)
9 Nagano-ken(0.00344%)
10 Toukyou-to(0.00333%)
11 Niigata-ken(0.00322%)
12 Miyagi-ken(0.00229%)
13 Gunma-ken(0.00223%)
14 Saitama-ken(0.00213%)
15 Kanagawa-ken(0.00209%)
16 Hyougo-ken(0.00205%)
17 Fukui-ken(0.00191%)
18 Yamaguchi-ken(0.00191%)
19 Ehime-ken(0.00148%)
20 Miyazaki-ken(0.00136%)
21 Chiba-ken(0.00123%)
22 Nara-ken(0.00119%)
23 Kyouto-fu(0.00116%)
24 Shizuoka-ken(0.00111%)
25 Aichi-ken(0.00108%)
26 Nagasaki-ken(0.00103%)
27 Wakayama-ken(0.00103%)
28 Kagoshima-ken(0.00102%)
29 Shiga-ken(0.000974%)
30 Mie-ken(0.000876%)
31 Aomori-ken(0.000785%)
32 Ibaraki-ken(0.000712%)
33 Okayama-ken(0.00061%)
34 Fukuoka-ken(0.000593%)
35 Hiroshima-ken(0.000577%)
36 Gifu-ken(0.000566%)
37 Saga-ken(0.000493%)
38 Tokushima-ken(0.000468%)
39 Tochigi-ken(0.000444%)
40 Fukushima-ken(0.000402%)
41 Kagawa-ken(0.000382%)
42 Akita-ken(0.0003%)
43 Iwate-ken(0.000286%)
44 Kumamoto-ken(0.000228%)