Etymology and distribution of 久蔵.

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!

「久蔵」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 久蔵

Distribution of 久蔵
Ranking
1 Kurobe-shi(About 40)
2 Katori-gun Tako-machi(About 20)
3 Sayama-shi(About 10)
4 Otaru-shi(About 10)
4 Narashino-shi(About 10)
4 Toyama-shi(About 10)
4 Edogawa-ku(About 10)
8 Shiribeshishi-chou Yoichi-chou(Very rare)
8 Hakodate-shi(Very rare)
8 Shiribeshishi-chou Suttsu-chou(Very rare)
8 Sapporo-shi Chuuou-ku(Very rare)
8 Sapporo-shi Kita-ku(Very rare)
8 Sapporo-shi Teine-ku(Very rare)
8 Sapporo-shi Nishi-ku(Very rare)
8 Kushiro-shi(Very rare)
8 Sousa-shi(Very rare)
8 Chiba-shi Chuuou-ku(Very rare)
8 Chiba-shi Midori-ku(Very rare)
8 Narita-shi(Very rare)
8 Katori-gun Kouzaki-machi(Very rare)
8 Saitama-shi Oomiya-ku(Very rare)
8 Tokorozawa-shi(Very rare)
8 Neyagawa-shi(Very rare)
8 Toyonaka-shi(Very rare)
8 Yokohama-shi Tsurumi-ku(Very rare)