Etymology and distribution of 笠森.

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!

「笠森」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 笠森

Distribution of 笠森
Ranking
1 Kurokawa-gun Oosato-chou(0.0459%)
2 Hakusan-shi(0.0375%)
3 Oochi-gun Oonan-chou(0.0224%)
4 Ishikarishi-chou Toubetsu-chou(0.0204%)
5 Yuubari-shi(0.0187%)
6 Oosaki-shi(0.0134%)
7 Kanazawa-shi(0.0108%)
8 Bibai-shi(0.0107%)
9 Jouyou-shi(0.00996%)
10 Ooda-shi(0.00712%)
11 Kamaishi-shi(0.00712%)
12 Ishikari-shi(0.00678%)
13 Hino-shi(0.0063%)
14 Ashiya-shi(0.00573%)
15 Toukai-shi(0.00478%)
16 Shibuya-ku(0.0034%)
17 Nagoya-shi Kita-ku(0.00302%)
18 Kawanishi-shi(0.00301%)
19 Koube-shi Higashinada-ku(0.00277%)
20 Kyouto-shi Sakyou-ku(0.00269%)
21 Fujisawa-shi(0.00267%)
22 Chigasaki-shi(0.00214%)
23 Kasukabe-shi(0.00213%)
24 Ichihara-shi(0.00181%)
25 Fuji-shi(0.00166%)
26 Nara-shi(0.0012%)
27 Higashioosaka-shi(0.000934%)
28 Setagaya-ku(0.000814%)