Etymology and distribution of 加.

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!

「加」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 加

Distribution of 加
Ranking
1 Ooshima-gun Tokunoshima-chou(0.15%)
2 Amami-shi(0.146%)
3 Ooshima-gun Yoron-chou(0.0541%)
4 Ooshima-gun Setouchi-chou(0.0503%)
5 Kishima-gun Oomachi-chou(0.0421%)
6 Ooshima-gun Amagi-chou(0.0415%)
7 Ooshima-gun Kikai-chou(0.0306%)
8 Ginowan-shi(0.029%)
9 Tokachishi-chou Memuro-chou(0.0183%)
10 Hokuto-shi(0.00806%)
11 Futtsu-shi(0.00782%)
12 Bungooono-shi(0.00743%)
13 Sakaide-shi(0.00635%)
14 Oosaka-shi Asahi-ku(0.00501%)
15 Aira-shi(0.0049%)
16 Okinawa-shi(0.00486%)
17 Koube-shi Kita-ku(0.00441%)
18 Koube-shi Nagata-ku(0.00411%)
19 Abiko-shi(0.004%)
20 Daitou-shi(0.00396%)
21 Kadoma-shi(0.0039%)
22 Adzumino-shi(0.00377%)
23 Fukuoka-shi Nishi-ku(0.00357%)
24 Oosaka-shi Joutou-ku(0.00345%)
25 Matsumoto-shi(0.00334%)
26 Akashi-shi(0.00326%)
27 Moriguchi-shi(0.00323%)
28 Nagahama-shi(0.00322%)
29 Yaidzu-shi(0.00299%)
30 Choufu-shi(0.00286%)
31 Miyakonojou-shi(0.00215%)
32 Ibaraki-shi(0.002%)
33 Kagoshima-shi(0.0015%)
34 Matsudo-shi(0.00116%)
35 Amagasaki-shi(0.00107%)
36 Kawaguchi-shi(0.00107%)