Etymology and distribution of 正司.

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!

「正司」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 正司

Distribution of 正司
Ranking
1 Yamaguchi-ken(0.0196%)
2 Okayama-ken(0.0106%)
3 Wakayama-ken(0.00616%)
4 Saga-ken(0.00444%)
5 Nara-ken(0.00416%)
6 Hyougo-ken(0.0041%)
7 Shimane-ken(0.0037%)
8 Tottori-ken(0.00303%)
9 Oosaka-fu(0.00259%)
10 Chiba-ken(0.00221%)
11 Ishikawa-ken(0.00205%)
12 Miyazaki-ken(0.00204%)
13 Niigata-ken(0.00177%)
14 Nagasaki-ken(0.00155%)
15 Hiroshima-ken(0.0013%)
16 Toukyou-to(0.00109%)
17 Kyouto-fu(0.000998%)
18 Fukuoka-ken(0.000791%)
19 Kanagawa-ken(0.000736%)
20 Shiga-ken(0.000649%)
21 Yamagata-ken(0.000622%)
22 Aichi-ken(0.000605%)
23 Ehime-ken(0.000492%)
24 Kumamoto-ken(0.000456%)
25 Ibaraki-ken(0.000427%)
26 Yamanashi-ken(0.000422%)
27 Hokkaidou(0.000419%)
28 Kagoshima-ken(0.000407%)
29 Okinawa-ken(0.000396%)
30 Saitama-ken(0.000367%)
31 Tochigi-ken(0.000222%)
32 Miyagi-ken(0.000208%)
33 Shizuoka-ken(0.000111%)