Etymology and distribution of 鶴ケ久保.

Tsurugakubo 【鶴ケ久保】^{レベル3
About 60}  The Japanese surnames etymology dictionary.

Ooita-ken Saiki-shi . Terrain . A variant of 二瀬 . In Ooita-ken Saiki-shi , we renamed from the surname of the field and renamed it Ninose's surname. After the office of the village in Ooita-ken Kitsuki-shi (old: Yamaka Town, Hayami County) was burned with fire in the Tokyo era, Tell her that you became Ninase surname. 野原 Nohara reference.