Etymology and distribution of 小佐.

Kosa 【小佐】^{レベル3
About 300}  The Japanese surnames etymology dictionary.

Gunma-ken . Terrain . A variant of 沢浦 . Gunma-ken Tone-gun Shouwa-mura Distributed in Morishita.

Osa 【小佐】^{レベル3
About 300}  The Japanese surnames etymology dictionary.

Shizuoka-ken , Kouchi-ken , Toukyou-to .

① Shizuoka-ken Izu-shi is based on soil fertilizer. Shizuoka-ken Kamo-gun Minamiizu-chou Tell her that he was engaged in agriculture from the year 1711 to 1716 (Masanori year).

② things . From the key. Kouchi-ken Kami-shi Kouchi-ken Kami-shi Mr. Yamada, the castle owner of Yamada castle in Tosayamada Town, found a key when he lost the key of the warehouse, so that "key" and Mr. Yamada's " Mountain "as a gift. Estimated in the Warring States Period. 山田 Yamada reference.

③ variant of 鑰尼 . Saga-ken Saga-shi Yamato-cho Okami Kukukui had a family name in the Muromachi period. 鑰尼 Kagiama reference. Saga-ken Saga-shi The inside of the castle was in the Edo period in the Saga Samurai of the Clan office.