Iiya 【井伊谷】3 The Japanese surnames etymology dictionary.
① Anchor is a tool to stop a ship.
② Creation . "Book" was added to Ikari which is the surname of Amagi archipelago of Kagoshima-ken . Estimated at the time of returning to Japan in 1953. Kagoshima-ken Ooshima-gun Tokunoshima-chou Distributed in Kaedeok. 碇 reference.