Etymology and distribution of 瀬古.

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!

「瀬古」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 瀬古

Distribution of 瀬古
Ranking
1 Mie-ken(0.105%)
2 Shiga-ken(0.0305%)
3 Gifu-ken(0.0292%)
4 Wakayama-ken(0.011%)
5 Aichi-ken(0.00968%)
6 Kyouto-fu(0.00582%)
7 Oosaka-fu(0.00449%)
8 Nara-ken(0.00416%)
9 Gunma-ken(0.00304%)
10 Hyougo-ken(0.00279%)
11 Toukyou-to(0.00264%)
12 Kanagawa-ken(0.00233%)
13 Ishikawa-ken(0.00205%)
14 Shizuoka-ken(0.002%)
15 Hokkaidou(0.00182%)
16 Chiba-ken(0.00159%)
17 Saitama-ken(0.00147%)
18 Hiroshima-ken(0.00144%)
19 Shimane-ken(0.00139%)
20 Kouchi-ken(0.00129%)
21 Tochigi-ken(0.00111%)
22 Saga-ken(0.000987%)
23 Nagano-ken(0.000984%)
24 Miyagi-ken(0.000834%)
25 Tottori-ken(0.000606%)
26 Ehime-ken(0.000492%)
27 Fukui-ken(0.000478%)
28 Yamaguchi-ken(0.000478%)
29 Ibaraki-ken(0.000427%)
30 Yamanashi-ken(0.000422%)
31 Okinawa-ken(0.000396%)
32 Miyazaki-ken(0.000339%)
33 Yamagata-ken(0.000311%)
34 Fukuoka-ken(0.000297%)
35 Nagasaki-ken(0.000258%)
36 Kumamoto-ken(0.000228%)
37 Okayama-ken(0.000203%)
38 Niigata-ken(0.000161%)