Etymology and distribution of 瀬合.

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!

「瀬合」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 瀬合

Distribution of 瀬合
Ranking
1 Awaji-shi(0.102%)
2 Shiribeshishi-chou Kutchan-chou(0.0227%)
3 Oosaka-shi Ten'nouji-ku(0.011%)
4 Akashi-shi(0.00977%)
5 Koube-shi Hyougo-ku(0.00853%)
6 Kyoutanabe-shi(0.008%)
7 Takaishi-shi(0.00723%)
8 Yokohama-shi Nishi-ku(0.00684%)
9 Sumoto-shi(0.00668%)
10 Koube-shi Kita-ku(0.00661%)
11 Koube-shi Suma-ku(0.00546%)
12 Urayasu-shi(0.00501%)
13 Miki-shi(0.00486%)
14 Koube-shi Nishi-ku(0.00484%)
15 Kounan-shi(0.00457%)
16 Koube-shi Tarumi-ku(0.00414%)
17 Koube-shi Nagata-ku(0.00411%)
18 Habikino-shi(0.00392%)
19 Kakamigahara-shi(0.00294%)
20 Koube-shi Higashinada-ku(0.00277%)
21 Yokohama-shi Kouhoku-ku(0.00197%)
22 Suita-shi(0.00155%)
23 Takatsuki-shi(0.00132%)
24 Hirakata-shi(0.00125%)
25 Setagaya-ku(0.000814%)