Gender: masculine
Origin: Finnish
Meaning: “an idea, a thought.” (poetic)
Pronunciation can be heard here: http://www.forvo.com/search/Aatos/

The name comes from the Finnish word used in a poetic sense to describe a notion, idea or thought, in the sense that the notion or idea has deep meaning or is very reflective of the person doing the thinking. It also implies the idea of the sublime. Its usage would be used in reference to a “deep-thinker.” Its designated name-day is November 8. The name is borne by Aatos Erkko (b.1932) a Finnish journalist and owner of Sanoma Corporation and the Helsingin Sanomat newspaper.