Etymology and distribution of 藤久保.

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!

「藤久保」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 藤久保

Distribution of 藤久保
Ranking
1 Minamikawachi-gun Taishi-chou(0.0325%)
2 Kagoshima-shi(0.0211%)
3 Chita-gun Taketoyo-chou(0.0204%)
4 Kirishima-shi(0.0155%)
5 Takaishi-shi(0.0145%)
6 Oosaka-shi Ten'nouji-ku(0.011%)
7 Sanda-shi(0.0101%)
8 Uda-shi(0.00957%)
9 Amagasaki-shi(0.00751%)
10 Takaradzuka-shi(0.00671%)
11 Ibusuki-shi(0.00655%)
12 Usa-shi(0.00536%)
13 Toyokawa-shi(0.00491%)
14 Aira-shi(0.0049%)
15 Musashino-shi(0.00436%)
16 Iga-shi(0.00398%)
17 Matsubara-shi(0.00346%)
18 Kawasaki-shi Takatsu-ku(0.00336%)
19 Hino-shi(0.00315%)
20 Sayama-shi(0.00305%)
21 Nishio-shi(0.00256%)
22 Nagoya-shi Midori-ku(0.00254%)
23 Higashihiroshima-shi(0.00249%)
24 Nara-shi(0.00241%)
25 Ageo-shi(0.00235%)
26 Yokohama-shi Kounan-ku(0.00233%)
27 Kakogawa-shi(0.0017%)
28 Machida-shi(0.00135%)
29 Miyazaki-shi(0.00119%)
30 Ooita-shi(0.00103%)
31 Funabashi-shi(0.000953%)
32 Shizuoka-shi(0.000581%)
33 Sakai-shi(0.000572%)