Etymology and distribution of 礒亀.

Isokame 【礒亀】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Kanagawa-ken · Toukyou-to . Summary . It stands for Date. Ehime-ken Uwajima-shi Marunouchi tells that Mr. Yoneda of Uwajima Samurai of the Clan Agency called from 1865 to 1868 (Keio annual). The lord is Mr. Date. Mean of "the vassal of Mr. Date." 米田 Yoneda reference. 伊達 Date reference.