Etymology and distribution of 二葉.

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!

「二葉」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 二葉

Distribution of 二葉
Ranking
1 Toukyou-to(About 300)
2 Chiba-ken(About 130)
3 Saitama-ken(About 60)
4 Kanagawa-ken(About 60)
5 Oosaka-fu(About 50)
6 Wakayama-ken(About 40)
7 Kagawa-ken(About 30)
7 Hiroshima-ken(About 30)
9 Hokkaidou(About 30)
10 Fukuoka-ken(About 20)
10 Hyougo-ken(About 20)
12 Shizuoka-ken(About 10)
12 Tochigi-ken(About 10)
12 Iwate-ken(About 10)
12 Mie-ken(About 10)
16 Ibaraki-ken(About 10)
16 Fukushima-ken(About 10)
16 Ehime-ken(About 10)
16 Okayama-ken(About 10)
20 Kagoshima-ken(Very rare)
20 Aomori-ken(Very rare)
20 Akita-ken(Very rare)
20 Yamanashi-ken(Very rare)
20 Yamaguchi-ken(Very rare)
20 Miyagi-ken(Very rare)
20 Nara-ken(Very rare)
20 Kyouto-fu(Very rare)