Etymology and distribution of 岩垂.

Iwadare 【岩垂】^{レベル4
About 1,400}  The Japanese surnames etymology dictionary.

Toukyou-to , Oosaka-fu · Hyougo-ken .

① Heterogeneity of 宇田川 . Nagano-ken Suwa-shi Takashima was in the Edo period in the Suwa clan in the Clan Office.

② Abstract . Synthesis of Utah and Yogawa. Shimane-ken Izumo-shi In Ogi-machi town, Mr. Uta who resides from Nara-ken avoiding warfare married Mr. Ukawa and tells that the child called Utagawa surname. Estimated in the Warring States Period. 宇多 Uda reference. 余川 Yokawa reference.

Iwatare 【岩垂】^{レベル4
About 1,400}  The Japanese surnames etymology dictionary.

Toukyou-to , Chiba-ken , Saitama-ken .

① Toukyou-to Shibuya-ku Origin of Udagawa-cho. As the town name was the place name established in 1928. The place name was from Udagawa who was flowing in the same place. Toukyou-to Shinagawa-ku It was in the Muromachi period in the Kitashinagawa river . Toukyou-to Minato-ku Higashi Shinbashi neighborhood (formerly Shiba Udagawa) is a via point. A place name with a record since the Edo period. Tell the place name from Mr. Udagawa's name.

② Originated from Udagawa (Old: Udagawa) flowing in Yodoe-cho, Tottori-ken Yonago-shi . In the Heian period the name of the place with the notation of "Utagawa" recorded.

③ Heteromorphism of 宇陀川 .

Iwamizu 【岩垂】^{レベル4
About 1,400}  The Japanese surnames etymology dictionary.

Kumamoto-ken · Ishikawa-ken . A variant of 内島 .