Etymology and distribution of 大安.

Ooyasu 【大安】^{レベル3
About 400}  The Japanese surnames etymology dictionary.

Chiba-ken Inzai-shi . Chiba-ken Inzai-shi Distributed in Hiraoka.

Daian 【大安】^{レベル3
About 400}  The Japanese surnames etymology dictionary.

Kagoshima-ken Ibusuki-shi , Aomori-ken Kamikita-gun Shichinohe-machi , Iwate-ken Kunohe-gun Kunohe-mura .

① Kagoshima-ken Ibusuki-shi Birth originated from the street of a small character in Tencho-cho entering. In the same era there was a road gate of the gate division system in the Edo period.

② Iwate-ken Kunohe-gun Kunohe-mura Originated from the street of the elephant's umbrella (Douji).

③ Iwate-ken Ninohe-gun Ichinohe-machi Origin of Toridokito Daichi . It is distributed in the same place.

④ Aomori-ken San'nohe-gun Takko-machi Origin of Isamugi Daichi . It is distributed in the same place.

⑤ Saitama-ken Origin of Kazo-shi road. A place name with a record since the Edo period. The place name was also written as "Doshi." I will tell him that Mr. Doshi was in the Kamakura period.

Daiyasu 【大安】^{レベル3
About 400}  The Japanese surnames etymology dictionary.

Kagawa-ken Takamatsu-shi · Gunma-ken Takasaki-shi . There is an example of using a "valley" for a store of a shop name.