Etymology and distribution of 牛川.

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!

「牛川」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 牛川

Distribution of 牛川
Ranking
1 Nakatado-gun Man'nou-chou(0.0166%)
2 Uwajima-shi(0.0141%)
3 Ayauta-gun Ayagawa-chou(0.014%)
4 Kita-gun Miki-chou(0.0137%)
5 Kawaguchi-shi(0.0129%)
6 Mooka-shi(0.0115%)
7 Tamano-shi(0.00991%)
8 Hidaka-shi(0.00805%)
9 Hiratsuka-shi(0.00774%)
10 Yachimata-shi(0.00737%)
11 Yamaga-shi(0.0065%)
12 Yawata-shi(0.00639%)
13 Toda-shi(0.0063%)
14 Saitama-shi Sakura-ku(0.00626%)
15 Naruto-shi(0.00608%)
16 Chikushino-shi(0.00588%)
17 Oomuta-shi(0.0057%)
18 Saitama-shi Midori-ku(0.0057%)
19 Takamatsu-shi(0.0052%)
20 Oosaka-shi Asahi-ku(0.00501%)
21 Urayasu-shi(0.00501%)
22 Souka-shi(0.00485%)
23 Narita-shi(0.00462%)
24 Kisaradzu-shi(0.00405%)
25 Marugame-shi(0.00366%)
26 Fukuoka-shi Nishi-ku(0.00357%)
27 Bunkyou-ku(0.00344%)
28 Kuki-shi(0.00315%)
29 Kawasaki-shi Nakahara-ku(0.00306%)
30 Kyouto-shi Ukyou-ku(0.00239%)
31 Takaradzuka-shi(0.00224%)
32 Shinagawa-ku(0.00191%)
33 Nerima-ku(0.00105%)
34 Hachiouji-shi(0.00102%)
35 Higashioosaka-shi(0.000934%)
36 Okayama-shi(0.000689%)