Etymology and distribution of 大頭.

Oozu 【大頭】^{レベル3
About 400}  The Japanese surnames etymology dictionary.

納本 Okumoto reference.

Oogashira 【大頭】^{レベル3
About 400}  The Japanese surnames etymology dictionary.

Oosaka-fu , Hyougo-ken Kawanishi-shi . Terrain . From a small way back. Hyougo-ken Kawanishi-shi Distributed in the temple field.

Daitou 【大頭】^{レベル3
About 400}  The Japanese surnames etymology dictionary.

Nagasaki-ken , Hyougo-ken , Oosaka-fu .

① Topography . Heteromorphism of 津本 . Nagasaki-ken Unzen-shi Distributed in Kunimi-machi soil. The land faces the Ariake Sea.

② Korean type . Heteromorphism of 津本 . It was Gifu-ken Oogaki-shi and was in Commuter name in 1980. The real name is Song. 宋 Sou reference.