Etymology and distribution of 九沢.

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!

「九沢」さんの名字の分布数。

カンマ区切りで複数の名字を指定できます。

Etymology of 九沢

Distribution of 九沢
Ranking
1 Himi-shi(About 70)
2 Toyota-shi(About 50)
3 Takaoka-shi(About 20)
4 Nagoya-shi Tenpaku-ku(About 10)
4 Toyokawa-shi(About 10)
4 Adachi-ku(About 10)
7 Sapporo-shi Atsubetsu-ku(Very rare)
7 Ebetsu-shi(Very rare)
7 Kushiro-shi(Very rare)
7 Honjou-shi(Very rare)
7 Oosaka-shi Hirano-ku(Very rare)
7 Toyama-shi(Very rare)
7 Tonami-shi(Very rare)
7 Miyoshi-shi(Very rare)
7 Nagoya-shi Nakamura-ku(Very rare)
7 Nagoya-shi Minami-ku(Very rare)
7 Nagoya-shi Atsuta-ku(Very rare)
7 Nagoya-shi Mizuho-ku(Very rare)
7 Anjou-shi(Very rare)
7 Okazaki-shi(Very rare)
7 Aichi-gun Tougou-chou(Very rare)
7 Kasugai-shi(Very rare)
7 Seto-shi(Very rare)