Etymology and distribution of 牙.

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

Kanagawa-ken , Miyagi-ken , Toukyou-to .

① Toukyou-to Hachiouji-shi Originated in Katakura-cho. A place name with a record since the Warring States Period.

② Nagano-ken Ina-shi Born of Kotetsura Fujisawa Katakura. In place of Warring States era, there is a place name with a record of "Kozura". Nagano-ken Saku-shi Kyowa Kurakura is a place name with a record since the Edo period.

※ In Miyagi-ken there is a transmission with Katakura of Gifu-ken south part (old: Mino country). Period, location unknown.

③ Korea type . Thing . "Warehouse" added to one piece. There is a record on Oosaka-fu Kishiwada-shi on December 17, 1990. The real name is one piece. 片 Kata reference.