Etymology and distribution of 昔川.

Sekikawa 【昔川】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

築谷 Tsukutani reference.

Sekigawa 【昔川】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

Aichi-ken , Oosaka-fu , Hyougo-ken .

① Estimated from the moon and mountains. Aichi-ken Toyota-shi Higashi Hirose Town, Wakayama-ken Wakayama-shi Ichibanchi was in the Edo era in the Kishu clan in the Clan office. Toyama-ken Shimoniikawa-gun Asahi-machi Tsukiyama is a place name with a record since the Edo period.

② Korean type . Originated in the city of Gyeongju (aka Tsukishiro (Walson)) in the Republic of Korea. Tsukijo's "moon" is used. There is a record of naturalization on Ishikawa-ken Kanazawa-shi on November 24, 1966. The real name is Kang. 姜 Kyou reference. There is also another name.

③ Originated from Yamagata-ken near Tsukiyama (Gassan). Last name is also Gassan. Meiji New surname by monk. An example of a temple. Yamagata-ken Higashiokitama-gun Kawanishi-machi Shingon temple Temple of the Shingon sect in Yamagata sect, Yamagata-ken Higashiokitama-gun Kawanishi-machi Honkenji temple of Shingon sect in Yoshida.