Etymology and distribution of 大杦.

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

Kumamoto-ken Kumamoto-shi . 緒方 surname available. Kumamoto-ken Kumamoto-shi Kita-ku Uchiki-machi roaring is based. It was in the Edo period in the same place. 緒方 Ogata reference.