Etymology and distribution of 薄島.

Usujima 【薄島】^{レベル3
About 70}  The Japanese surnames etymology dictionary.

Chiba-ken .

① Topography . From Jiang and Sawa. Chiba-ken Isumi-shi In Kuwataka told that Mr. Izawa from Chiba-ken Isumi-gun Ootaki-machi called. Estimated from tradition is Edo period. 伊沢 Izawa reference. Chiba-ken Mobara-shi Standing Trees , Chiba-ken Chousei-gun Mutsuzawa-machi It was in the Edo era at Changrakuji. Chiba-ken Chousei-gun Chousei-mura Tell her that she lived in Hongo from Muromachi Period. Chiba-ken Kisaradzu-shi There is Ezawa (Esawa) in the small figure of Kiyokawa.

② Topography . "Sawa" is used for the door of Edo. Tokushima-ken Tokushima-shi In the middle of the Showa town I tell him that I changed my name from Edo surname to 1650 (3rd year in Keio). 江戸 Edo reference.