Etymology and distribution of 金究.

Kanakutsu 【金究】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

Nagasaki-ken . Nagasaki-ken Originated from the vicinity of the Kitsuzugawa River (formerly Kitsuzu) running through Tamimi-cho in Ishaya-shi . A place name with a record since the Azuchi-Momoyama period.

Kanekutsu 【金究】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

Yamaguchi-ken .

① variant of the 来島 . Yamaguchi-ken Hagi-shi Horiuchi was in the Edo period in the Choshu clan of the clan office.

② variant of 久留島 . Kurushima at Ehime-ken . 久留島 Kurushima reference.