Etymology and distribution of 大真屋.

Oomaya 【大真屋】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Ibaraki-ken Tsuchiura-shi . There is a surname of 円城寺 . Ibaraki-ken Tsuchiura-shi It was in Edo period in Tono-machi. Ibaraki-ken Mito-shi Sannomaru was in the Edo period in the Mito samurai of the Clan office. 円城寺 Enjouji reference.