Inomata 【猪俣】5 The Japanese surnames etymology dictionary.
Hyougo-ken , Fukui-ken , Okayama-ken . 岩井 's variant. Shiga-ken Hikone-shi Kaname Town was in the Edo period in the Hikone san of the clan office. In estimation, I changed the name "Ii" of Mr. Ii, who was the same lord, as a farewell to the early Edo period.