Etymology and distribution of 瀬住.

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

Fukui-ken · Oosaka-fu . Originated from Niigata-ken Nakauonuma-gun near Tsunan-machi (formerly Tsumari). There is a place name with a record in the Sengoku period since the Namikoku morning era. The place name was also written as "wife". There is a record with the notation of "Tsugaru" in 1333 (2 years of Joseon 2, Motohiro 3).