Etymology and distribution of 井升.

Imasu 【井升】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

Wakayama-ken , Oosaka-fu , Hyougo-ken .

① Topography . From the way above. Mie-ken Minamimuro-gun Distributed in Kihou-chou Ida.

② Wakayama-ken Hidaka-gun Hidaka-chou Originated from the upper street of Jingki's small character.

③ Gifu-ken Takayama-shi Originated from the upper street of Tsuruzu's small letter in Kofu-cho.

③ Origin of Okayama-ken Okayama-shi (old: Kamitsumichi). Place name with a record in the Nara period. Hyougo-ken Asago-shi In Towada - cho Wadayama Town, I will tell Mr. Wada from Muromachi era warrant Muromachi era warrant Mr. Yamana Muneako due to the warfare of 1441 (Yoshiyoshi first year). 和田 Wada reference.