Etymology and distribution of 平伊.

Hirai 【平伊】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Kumamoto-ken Yatsushiro-shi , Oosaka-fu Kawachinagano-shi .

① Kumamoto-ken Yatsushiro-shi It is distributed in Yokote Honcho.

② things . Oosaka-fu Oosaka-shi Tennoji District told that Mr. Kusunoki of Oosaka-fu Yao-shi 's contribution gave a letter of "bud" as buds emerge from Kusunoki as they contributed at the end of the Edo period. 楠木 Kusunoki reference.

※ There is a transmission that Oosaka-fu Oosaka-shi Nishinari-ku gave in the meaning of "To sprout like a tree bud" from Toyotomi Hideyoshi of Warring States era · Azuchi-Momoyama period warrior.