Etymology and distribution of 大朋.

Ootomo 【大朋】^{レベル3
About 60}  The Japanese surnames etymology dictionary.

Oosaka-fu Han'nan-shi . Origin of Oosaka-fu Sen'nan-shi Ohno (Onosato). Place name recorded in the notation of "calligraphy" in the Nara era. The place name was also written as "Mangosato" and "Yuigyo".