Etymology and distribution of 鄔.

O 【鄔】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Shiga-ken . Terrain . A variant of 奥井 . In estimation Shiga - ken Hikone - shi Kaname Town is a name change in the early Edo period early in the "well" of Mr. Ii who was the lord of Hikone of the Clan office.