Awa 【淡】3 The Japanese surnames etymology dictionary.
① variant of 井伊 . Fukui-ken Awara-shi Ino was a place name with a record since the Edo period. There is a record in Fukui-ken Awara-shi (formerly Kawaguchiso) in 1335 (Junbu 2nd year). In Fukui-ken Eastern (formerly Echizen country) there is a record of Iii (Ii) castle in 1336 (3 years of Jeonbuk and the first year of extension).
② things . Kagoshima-ken Ooshima-gun Wadomari-chou Added "Well" to Tamagusu which is a character surname of Amagi archipelago of Kagoshima-ken . Estimated at the time of returning to Japan in 1953. 伊 reference.