Etymology and distribution of 長屋.

Nagaya 【長屋】^{レベル5
About 15,000}  The Japanese surnames etymology dictionary.

Ishikawa-ken Hakui-gun Shika-machi . Summary . Abbreviation of Fujiwara. "Fuji" is used because Shinran of the founder of Jodo Shinshu is a monk in the Kamakura period and tells Mr. Shinran Fujiwara's descendant. Ishikawa-ken Hakui-gun Shika-machi Meiji New surname by monk of Jodo-ji Temple of Kodo Shin Buddhist in Kiriya. The temple tells that the original was Shingon sect and that the monk changed to Rennyu who was a priest of the Jodo Shinshu from the Muromachi period. 藤原 Fujiwara reference.