Etymology and distribution of 井.

The Japanese surnames etymology dictionary.
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「井」さんの名字の分布数。

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Etymology of 井

Distribution of 井
Ranking
1 Kumamoto-ken(About 1,400)
2 Fukuoka-ken(About 300)
3 Ooita-ken(About 200)
4 Nagasaki-ken(About 200)
5 Oosaka-fu(About 140)
6 Toukyou-to(About 110)
7 Kagoshima-ken(About 80)
7 Aichi-ken(About 80)
9 Saitama-ken(About 70)
10 Chiba-ken(About 60)
11 Kanagawa-ken(About 60)
12 Hyougo-ken(About 50)
13 Hokkaidou(About 50)
14 Toyama-ken(About 40)
14 Miyazaki-ken(About 40)
16 Gifu-ken(About 30)
16 Nara-ken(About 30)
18 Shizuoka-ken(About 20)
18 Fukushima-ken(About 20)
18 Shiga-ken(About 20)
18 Kyouto-fu(About 20)
22 Gunma-ken(About 10)
22 Okinawa-ken(About 10)
22 Niigata-ken(About 10)
22 Saga-ken(About 10)
22 Mie-ken(About 10)
27 Kagawa-ken(About 10)
27 Tochigi-ken(About 10)
27 Wakayama-ken(About 10)
30 Nagano-ken(Very rare)
30 Ibaraki-ken(Very rare)
30 Fukui-ken(Very rare)
30 Ishikawa-ken(Very rare)
30 Ehime-ken(Very rare)
30 Tokushima-ken(Very rare)
30 Hiroshima-ken(Very rare)
30 Okayama-ken(Very rare)
30 Yamaguchi-ken(Very rare)