Yamaguchi (surname)
Yamaguchi
(
山口
, "mountain entrance/gateway") is the 14th most common Japanese surname.
[
1
]
^
"明治安田生命 全国同姓調査 [
Meiji Yasuda Life Insurance Company - National same family name investigation
]"
(PDF)
(Press release).
Meiji Yasuda Life Insurance Company
. 2008-09-24
. Retrieved
2019-08-31
.