Etymology and distribution of 若澤.

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!

「若澤」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 若澤

Distribution of 若澤
Ranking
1 Ogasawarashotou Ogasawara-mura(0.139%)
2 Ashigarakami-gun Kaisei-machi(0.059%)
3 Monbetsu-shi(0.0234%)
4 Towada-shi(0.0223%)
5 Sodegaura-shi(0.017%)
6 Komae-shi(0.0146%)
7 Wajima-shi(0.00882%)
8 Takikawa-shi(0.008%)
9 Miura-shi(0.00773%)
10 Hadano-shi(0.00606%)
11 Kan'onji-shi(0.00553%)
12 Hiroshima-shi Saeki-ku(0.00401%)
13 Sendai-shi Miyagino-ku(0.00344%)
14 Kuki-shi(0.00315%)
15 Sapporo-shi Minami-ku(0.00302%)
16 Hiroshima-shi Nishi-ku(0.00301%)
17 Sapporo-shi Shiroishi-ku(0.00274%)
18 Yamato-shi(0.00271%)
19 Sapporo-shi Toyohira-ku(0.00262%)
20 Hiroshima-shi Asaminami-ku(0.00253%)
21 Kamakura-shi(0.00242%)
22 Yokohama-shi Kanazawa-ku(0.00242%)
23 Yokohama-shi Kounan-ku(0.00233%)
24 Hamamatsu-shi(0.00225%)
25 Kushiro-shi(0.00181%)
26 Kawagoe-shi(0.00155%)
27 Katsushika-ku(0.00136%)
28 Aomori-shi(0.00127%)
29 Shizuoka-shi(0.00116%)
30 Edogawa-ku(0.00105%)
31 Sagamihara-shi(0.000829%)