Claim: Euan is a male name that originated from the Pictish language of Scotland.
Evidence: Euan is a Scottish, male given name, most common throughout the United Kingdom, Canada and Australia, due to the influence of Scots in both nations. It is a derivative of the Pictish name, Vuen (or 'Wen'), which is the Pictish British cognate of Eoghan in Gaelic. 
Pictish Scotland Male