Etymology and distribution of 渡浪.

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

Hokkaidou , Fukui-ken Nyuu-gun Echizen-chou , Shimane-ken Oochi-gun Oonan-chou . Distribution that also includes fogging.

① Personal name . Fukui-ken Nyuu-gun Echizen-chou Yamada was in the Edo era. There was a record of the name of Yamada Hisamori in the same place in 1579 (Tensho 7 years). 山田 Yamada reference.

② Because it preserves for a long time. In Shimane-ken , it is cloudy. Shimane-ken Oochi-gun tells Oonan-chou that he was engaged in agriculture at the day -end . Estimated in the Edo period. Yamaguchi-ken Yamaguchi-shi Tokuha Hachimangu Shrine in Ator Tokuzaka tells that Mr. Kibumori had guarded from 1182 (6 years of birth and 1 year old Sushinaga).