Etymology and distribution of 大刀.

Oodachi 【大刀】^{レベル3
About 50}  The Japanese surnames etymology dictionary.

Hyougo-ken , Oosaka-fu , Miyagi-ken .

① Topography . From a small field. In Akita-ken Oodate-shi , say that Yamada surname was from Yamada of Mie-ken Chubu (old: Ise kun). Estimated in the Edo period. 山田 Yamada reference. Akita-ken Oodate-shi Four Ukuda top four birds, Gifu-ken Fuwa-gun Sekigahara-chou Tell him that he was engaged in agriculture in Ima ware . Estimated in the Edo period. Miyazaki-ken Ebino-shi From the Odagatomon of the gate division system in Saigo in the Edo period.

② variant of 小幡 . Gunma-ken Maebashi-shi In Takakai -ku Takakai tells that it changed from Oda surname. The pronunciation is Kobatake.

③ Aichi-ken Okazaki-shi Sakura-machi birthplace of Okata. It is distributed in the same place.

※ Tottori-ken Yazu-gun Yazu-chou Near the Iwabuchi area (formerly Okata) is a transit point. Place name recorded in the notation of "Obata" in the Muromachi period. Tell the place name from Mr. Obata's name.

Ootachi 【大刀】^{レベル3
About 50}  The Japanese surnames etymology dictionary.

Kagoshima-ken Minamisatsuma-shi , Oosaka-fu . Terrain . From the place and the ridge with the ridge. Kagoshima-ken Minamisatsuma-shi is based in Hisashi Town Hisashi.

Daitou 【大刀】^{レベル3
About 50}  The Japanese surnames etymology dictionary.

Ishikawa-ken , Hokkaidou .

① Ishikawa-ken Nanao-shi Originated in Notojimacho-cho. A place name with a record since the Edo period.

② Kayoi in Yamaguchi-ken Hagi-shi . Birth of Yamaguchi-ken Nagato-shi Kayo (Kayoi). A place name with a record since the Muromachi period.