Etymology and distribution of 上舩津.

Kamifunatsu 【上舩津】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Toyama-ken Tonami-shi . A variant of Kiyoto (Kiyotoe). Toyama-ken Tell that Takaoka-shi 's branch of Kiyofumi surname. Estimated in the Edo period. 清藤 Seitou reference.