Etymology and distribution of 雨甲斐.

Amagai 【雨甲斐】^{レベル3
About 200}  The Japanese surnames etymology dictionary.

Chiba-ken , Kumamoto-ken , Fukuoka-ken .

① Chiba-ken Ichihara-shi Newborn birth. A place name with a record since the Edo period. Chiba-ken Ichihara-shi Aoyagi is based. Tell them that they are groundbreaking in the same place.

② There is 荒尾 surname.

③ Creation . At Ooita-ken , tell her that a doctor from Watanabe's surname is renamed in the sense of "born newly." In estimation from tradition Meiji new family name . My pronunciation is Niio. 渡辺 Watanabe reference.

* There was a case in Kyouto-fu Kyouto-shi that gave the newborn (surname) successive name in 845 (Yoshiwa 12 years).