Etymology and distribution of 八十.

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!

「八十」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 八十

Distribution of 八十
Ranking
1 Ooi-gun Takahama-chou(0.0588%)
2 Himeji-shi(0.0392%)
3 Kasuya-gun Shime-machi(0.0282%)
4 Ibo-gun Taishi-chou(0.0249%)
5 Mima-shi(0.0186%)
6 Myouzai-gun Ishii-chou(0.0143%)
7 Oosaka-shi Nishi-ku(0.0106%)
8 Oosaka-shi Asahi-ku(0.01%)
9 Rittou-shi(0.00905%)
10 Anjou-shi(0.00889%)
11 Koube-shi Nada-ku(0.00846%)
12 Oosakasayama-shi(0.00823%)
13 Izunokuni-shi(0.00788%)
14 Yasugi-shi(0.00749%)
15 Hasuda-shi(0.00713%)
16 Oosaka-shi Taishou-ku(0.00699%)
17 Zushi-shi(0.00659%)
18 Hashimoto-shi(0.00579%)
19 Ashiya-shi(0.00573%)
20 Nagaokakyou-shi(0.00567%)
21 Anan-shi(0.00472%)
22 Tatsuno-shi(0.0046%)
23 Takasago-shi(0.00433%)
24 Oosaka-shi Suminoe-ku(0.00425%)
25 Ikoma-shi(0.00403%)
26 Tondabayashi-shi(0.00388%)
27 Oosaka-shi Sumiyoshi-ku(0.00366%)
28 Marugame-shi(0.00366%)
29 Yokohama-shi Midori-ku(0.00346%)
30 Akashi-shi(0.00326%)
31 Sakura-shi(0.0029%)
32 Oosaka-shi Hirano-ku(0.00273%)
33 Takatsuki-shi(0.00264%)
34 Koube-shi Nishi-ku(0.00242%)
35 Uji-shi(0.00235%)
36 Yokohama-shi Kounan-ku(0.00233%)
37 Koube-shi Tarumi-ku(0.00207%)
38 Neyagawa-shi(0.00199%)
39 Sakai-shi(0.00172%)
40 Suita-shi(0.00155%)
41 Kashiwa-shi(0.00147%)
42 Toyonaka-shi(0.00131%)
43 Hirakata-shi(0.00125%)
44 Nara-shi(0.0012%)
45 Takamatsu-shi(0.00104%)
46 Niigata-shi(0.00052%)