Etymology and distribution of 平後.

Hirago 【平後】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Hokkaidou , Kanagawa-ken , Niigata-ken .

① Originated from the vicinity of Gunma-ken Kitagunma-gun Shintou-mura (formerly Momoi). A place name with a record since the Asuka period. The old pronunciation of surname is also Momoi.

② Korean type . Thing . I used "peach" from Li's literal "plum". Aichi-ken Nagoya-shi There is a record of naturalization on March 17, 1964 in eastern Ward. The real name is Li. 李 Ri reference.