Etymology and distribution of 良永.

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!

「良永」さんの名字の分布比率。

カンマ区切りで複数の名字を指定できます。

Etymology of 良永

Distribution of 良永
Ranking
1 Kurume-shi(0.0868%)
2 Watarai-gun Tamaki-chou(0.0292%)
3 Kasuya-gun Sue-machi(0.0195%)
4 Fukuoka-shi Jounan-ku(0.0159%)
5 Ukiha-shi(0.0119%)
6 Chikushino-shi(0.0118%)
7 Chikugo-shi(0.00959%)
8 Yoshikawa-shi(0.00943%)
9 Arao-shi(0.00677%)
10 Kasuga-shi(0.00584%)
11 Yao-shi(0.00519%)
12 Kawasaki-shi Asao-ku(0.004%)
13 Takatsuki-shi(0.00396%)
14 Fukuoka-shi Nishi-ku(0.00357%)
15 Oosaka-shi Higashiyodogawa-ku(0.00351%)
16 Yokohama-shi Midori-ku(0.00346%)
17 Fukuoka-shi Sawara-ku(0.00312%)
18 Yachiyo-shi(0.00309%)
19 Iidzuka-shi(0.00308%)
20 Oosaka-shi Hirano-ku(0.00273%)
21 Kitakyuushuu-shi Kokuraminami-ku(0.00242%)
22 Miyazaki-shi(0.00237%)
23 Ueda-shi(0.00227%)
24 Setagaya-ku(0.00163%)
25 Suginami-ku(0.00133%)
26 Nara-shi(0.0012%)
27 Kumamoto-shi(0.00068%)