Etymology and distribution of 壽渕.

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

Nagano-ken . Ishikawa-ken birthplace of Komatsu-shi Tsukizu-cho. A place name with a record in the notation of "Tsuzu" in the Warring States Period. The place name was also written as "津 津".