Etymology and distribution of 九十.

Kujuu 【九十】^{レベル3
About 50}  The Japanese surnames etymology dictionary.

小手 Ote reference.

Kutou 【九十】^{レベル3
About 50}  The Japanese surnames etymology dictionary.

Tochigi-ken , Ibaraki-ken .

① Birth of Gunma-ken Takasaki-shi Kamakobo (Kovena) town · Shimokobo Town. In the Warring States Period, names of places with the notation of "small nostrils", "small nose sum".

② Ibaraki-ken Omitama-shi birthplace of baby . A place name with a record since the Edo period. It was in the Tokyo era as the priest of Hakusan Shrine.

※ Tochigi-ken Nasukarasuyama-shi Koza (cobana) is a place name with a record since the Edo period. Tochigi-ken A place of judgment from the floret of Kouchi-gun by location of unknown small flower last name. 小花 Obana reference.