The name is derived from the Breton word, aerouant, meaning, “dragon.” The name was often translated to Yves in French, though neither name have any etymological relation.
As of 2010, Erwan was the 76th most popular male name in France.
Feminine forms are Erwana and Erwanez.
The name comes from the Anglo-Saxon personal name Draca meaning “dragon”, it may have been an Anglo-Saxon form of the Latin male name Draco. The name went out of usage after the Norman Conquest and was only recently revived.
It is currently the 199th most popular male name in the United States, (2010).