Etymology and distribution of 鈳.

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

Chiba-ken Futtsu-shi , Chiba-ken Funabashi-shi . 椎名 Last name is present. Chiba-ken Futtsu-shi Shozu is based. Tell him that he was engaged in agriculture at the district's shop name. Estimated in the Edo period. Shizuoka-ken western part (formerly Ryoji nation) is the origin of the estimation. 椎名 Shiina reference.