Etymology and distribution of 高加.

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

Shiga-ken Konan-shi . Occupation . A variant of 堺屋 . In the Shiga-ken Konan-shi needle, say that Meiji New Year 's name was due to using the shop name of Sakaiya (Sakaya) in the Edo era with Hyougo-ken Koube-shi outing. 堺屋 Sakaiya reference.