Gojou 【五條】4 The Japanese surnames etymology dictionary.
① There is a man's name including "Sada". Tokushima-ken Yoshinogawa-shi Yamakawa-cho Kawada is based. I tell him that he was calling from the Edo period in the same place. Tokushima-ken Yoshinogawa-shi Yamagawa Town Sadata is an unknown place name in the era of recording. It is distributed in the same place.
② Topography . Added 'Wild' to Sadahi, the surname of Kagoshima-ken 's Amami archipelago. Estimated at the time of returning to Japan in 1953. Kagoshima-ken Ooshima-gun Uken-son There is distribution in Yuwa. 貞 reference.