Etymology and distribution of 岡留.

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!

「岡留」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 岡留

Distribution of 岡留
Ranking
1 Kagoshima-ken(About 1,000)
2 Miyazaki-ken(About 300)
3 Oosaka-fu(About 200)
4 Aichi-ken(About 100)
5 Fukuoka-ken(About 80)
6 Kanagawa-ken(About 40)
6 Toukyou-to(About 40)
6 Saitama-ken(About 40)
6 Hyougo-ken(About 40)
10 Nara-ken(About 30)
10 Mie-ken(About 30)
12 Shizuoka-ken(About 20)
13 Hiroshima-ken(About 20)
13 Hokkaidou(About 20)
15 Nagasaki-ken(About 10)
15 Ibaraki-ken(About 10)
15 Kumamoto-ken(About 10)
15 Okinawa-ken(About 10)
15 Chiba-ken(About 10)
15 Kyouto-fu(About 10)
21 Fukushima-ken(About 10)
21 Saga-ken(About 10)
23 Kagawa-ken(Very rare)
23 Aomori-ken(Very rare)
23 Nagano-ken(Very rare)
23 Gunma-ken(Very rare)
23 Shiga-ken(Very rare)
23 Gifu-ken(Very rare)
23 Ooita-ken(Very rare)