Etymology and distribution of 岩爪.

Iwadzume 【岩爪】^{レベル3
About 200}  The Japanese surnames etymology dictionary.

Miyazaki-ken , Hyougo-ken , Oosaka-fu .

① Miyazaki-ken Miyakonojou-shi Yamada Town Originated from Ushidani in Yamada's small character. On the same site there was a Ushitani gate in the Edo period.

② Occupation . In Toyama-ken Imizu-shi tell from the shop name of Ushiya (Ushiya). Meiji New Last name in estimation.

③ Yamagata-ken Higashiokitama-gun Kawanishi-machi It was in Otsuka during the Edo period. I will tell from Niigata-ken 's Usibei village in the same place. Location unknown. There is also a story that he was engaged in agriculture at the same place descended from the Heike faints. Ushiya is pronounced. 平 Taira reference.

Iwatsume 【岩爪】^{レベル3
About 200}  The Japanese surnames etymology dictionary.

Iwate-ken Toono-shi . A variant of 臼舘 . Iwate - ken Toono - shi In Aosasamachi - Sasa, tell the fact that officials mistyped Usurator 's surname after the office became a fire in the Tokyo era. 臼舘 Usudate reference.