The Japanese surnames etymology dictionary.
Ibaraki-ken Chikusei-shi , Ibaraki-ken Tsukuba-shi . A variant of 幸田 . Ibaraki-ken Chikusei-shi It was in the Edo era in the temple Ueno. Tell him that he was engaged in agriculture in the same area. Akita-ken Akita-shi Chiaki Park was in the Edo period in the clan san Kubota of the Clan office.