Etymology and distribution of 豊留.

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!

「豊留」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 豊留

Distribution of 豊留
Ranking
1 Kagoshima-ken(About 1,000)
2 Oosaka-fu(About 300)
3 Hyougo-ken(About 90)
4 Kanagawa-ken(About 80)
5 Toukyou-to(About 60)
5 Aichi-ken(About 60)
7 Miyazaki-ken(About 50)
7 Chiba-ken(About 50)
9 Fukuoka-ken(About 40)
10 Saitama-ken(About 30)
11 Ibaraki-ken(About 20)
12 Mie-ken(About 20)
13 Nagasaki-ken(About 10)
14 Gifu-ken(About 10)
14 Kyouto-fu(About 10)
16 Kouchi-ken(Very rare)
16 Kagawa-ken(Very rare)
16 Shizuoka-ken(Very rare)
16 Kumamoto-ken(Very rare)
16 Shiga-ken(Very rare)
16 Tochigi-ken(Very rare)
16 Niigata-ken(Very rare)
16 Ehime-ken(Very rare)
16 Okayama-ken(Very rare)
16 Miyagi-ken(Very rare)
16 Nara-ken(Very rare)
16 Hokkaidou(Very rare)
16 Saga-ken(Very rare)