Etymology and distribution of 杉共.

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

Nara-ken Katsuragi-shi · Hyougo-ken · Chiba-ken . Thing . From dealing with ball walls (gokuhaki). There is a record in Asuka period. Estimated pronunciation is Tamanoya. Nara-ken Katsuragi-shi Distribution in soldiers.

※ Yamaguchi-ken Houfu-shi It was the priest of Tamado Shrine of Osaki. Unknown times. Descendants are Tsuchiya surname renamed. 土屋 Tsuchiya reference.