Etymology and distribution of 始沢.

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!

「始沢」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 始沢

Distribution of 始沢
Ranking
1 Oura-gun Meiwa-machi(About 40)
2 Adachi-ku(About 20)
3 Tatebayashi-shi(About 20)
4 Kanuma-shi(About 10)
5 Matsudo-shi(About 10)
5 Kumagaya-shi(About 10)
5 Hanyuu-shi(About 10)
5 Utsunomiya-shi(About 10)
9 Chiba-shi Hanamigawa-ku(Very rare)
9 Funabashi-shi(Very rare)
9 Saitama-shi Urawa-ku(Very rare)
9 Kazo-shi(Very rare)
9 Yoshikawa-shi(Very rare)
9 Kawaguchi-shi(Very rare)
9 Souka-shi(Very rare)
9 Hasuda-shi(Very rare)
9 Taitou-ku(Very rare)
9 Itabashi-ku(Very rare)
9 Edogawa-ku(Very rare)
9 Koutou-ku(Very rare)
9 Shibuya-ku(Very rare)
9 Tochigi-shi(Very rare)
9 Ashikaga-shi(Very rare)
9 Yokosuka-shi(Very rare)
9 Sagamihara-shi(Very rare)
9 Chigasaki-shi(Very rare)
9 Date-shi(Very rare)
9 Itou-shi(Very rare)