Etymology and distribution of 保月.

Hotsuki 【保月】^{レベル3
About 400}  The Japanese surnames etymology dictionary.

箭内 Yanai reference.

Hodzuki 【保月】^{レベル3
About 400}  The Japanese surnames etymology dictionary.

Miyagi-ken , Hokkaidou .

① Birth of Yamagata-ken Yamagata-shi Yamae Town. It was in the South and North morning era. Yamagata-ken Tendou-shi Yamamoto (formerly Yama) is a stopover. In place of the Warring States period, the name of a place with a record as "mountain bell". Tell the place name according to Mr. Yamae's residence. Ishikawa-ken Kanazawa-shi Marunouchi was in the Edo era at the Kaga clan in the Clan office. Estimated pronunciation is Yamaga.

② Ainu system . Same source as estimated. Hokkaidou Iburishi-chou Touyako-chou is the origin. Yamaka pronunciation.