Etymology and distribution of 勝手.

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!

「勝手」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 勝手

Distribution of 勝手
Ranking
1 Hamada-shi(0.0628%)
2 Mine-shi(0.0424%)
3 Goutsu-shi(0.0314%)
4 Kasuya-gun Umi-machi(0.028%)
5 Higashisonogi-gun Kawatana-chou(0.0255%)
6 Mihara-shi(0.0132%)
7 San'youonoda-shi(0.0109%)
8 Takahagi-shi(0.0104%)
9 Oomura-shi(0.0104%)
10 Oosakasayama-shi(0.00823%)
11 Nagato-shi(0.00743%)
12 Oosaka-shi Higashiyodogawa-ku(0.00702%)
13 Hiroshima-shi Aki-ku(0.00592%)
14 Kyouto-shi Shimogyou-ku(0.00582%)
15 Koube-shi Hyougo-ku(0.00427%)
16 Daitou-shi(0.00396%)
17 Tama-shi(0.00394%)
18 Houfu-shi(0.00325%)
19 Kawanishi-shi(0.00301%)
20 Higashihiroshima-shi(0.00249%)
21 Hamamatsu-shi(0.00225%)
22 Takaradzuka-shi(0.00224%)
23 Ube-shi(0.0021%)
24 Neyagawa-shi(0.00199%)
25 Katsushika-ku(0.00136%)
26 Fukuyama-shi(0.000897%)
27 Himeji-shi(0.000799%)