What does Ota mean?
Ota is an unusual given name for males but a very prominent surname for all people (#13641 out of 150436, Top 9%). (2000 U.S. Census)
Shown below is an analysis of the usage of Ota and corresponding names. Prominent variation forms of Ota (#unlisted) are Odis, Otha, Otho, Ottis and Otto (#627 last year). Usage of these boy names reached its peak during 1910-1919 (usage of 0.5166%) and has become significantly less since (usage 0.0746%, down 85.6%), with the versions Odis, Otha, Otho, Ottis and Otto becoming somewhat dated. (Top 1000 Baby Names Records, 2014)