Etymology and distribution of 井窪.

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!

「井窪」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 井窪

Distribution of 井窪
Ranking
1 Wakayama-shi(About 80)
2 Miyakonojou-shi(About 40)
3 Arida-gun Hirokawa-chou(About 30)
4 Nakatsu-shi(About 30)
5 Sakai-shi(About 10)
6 Itami-shi(About 10)
6 Koube-shi Suma-ku(About 10)
6 Kinokawa-shi(About 10)
6 Suita-shi(About 10)
6 Kishiwada-shi(About 10)
6 Iyo-shi(About 10)
6 Suzu-shi(About 10)
6 Nonoichi-shi(About 10)
14 Kidzugawa-shi(Very rare)
14 Souraku-gun Minamiyamashiro-mura(Very rare)
14 Akashi-shi(Very rare)
14 Sapporo-shi Kiyota-ku(Very rare)
14 Kimitsu-shi(Very rare)
14 Arida-gun Aridagawa-chou(Very rare)
14 Daitou-shi(Very rare)
14 Oosaka-shi Higashisumiyoshi-ku(Very rare)
14 Neyagawa-shi(Very rare)
14 Higashioosaka-shi(Very rare)
14 Toyonaka-shi(Very rare)
14 Kadoma-shi(Very rare)
14 Takatsuki-shi(Very rare)
14 Yamatokooriyama-shi(Very rare)
14 Yamabe-gun Yamazoe-mura(Very rare)
14 Miyazaki-shi(Very rare)
14 Kakamigahara-shi(Very rare)
14 Iyo-gun Masaki-chou(Very rare)
14 Ichinomiya-shi(Very rare)
14 Meguro-ku(Very rare)
14 Nomi-shi(Very rare)
14 Yokohama-shi Kouhoku-ku(Very rare)
14 Fujisawa-shi(Very rare)
14 Kitakyuushuu-shi Kokurakita-ku(Very rare)
14 Kitakyuushuu-shi Tobata-ku(Very rare)
14 Kitakyuushuu-shi Wakamatsu-ku(Very rare)
14 Kama-shi(Very rare)
14 Fukuoka-shi Jounan-ku(Very rare)
14 Chikujou-gun Chikujou-machi(Very rare)