Etymology and distribution of 吾子.

Ako 【吾子】^{レベル3
About 60}  The Japanese surnames etymology dictionary.

Ooita-ken , Fukuoka-ken , Wakayama-ken .

① 朝来野 surname. Ooita-ken Usuki-shi Usuki was in the Edo period in the Usuki clan in the Clan office. 朝来野 Asakuno reference.

② Hyougo-ken birth of Asago city. A place name with a record since the Nara period.

※ Wakayama-ken Nishimuro-gun Kamitonda-chou Asago (Asso) is a place name with a record since the Sengoku period.