Aidan, Aiden and Ayden are anglicised versions of the Irish male given name Aodhán. The Irish language female equivalent is Aodhnait. == Etymology and spelling == The name is derived from the name Aodhán, which is a pet form of Aodh. The personal name Aodh means "fiery" and/or "bringer of fire" and was the name of a Celtic sun god (see Aed). Formerly common only in Ireland, Scotland and Wales, the name and its variants have become popular in England,... [more on Wikipedia]