Evan and
Owen aren't the same name.
Evan is a Welsh form of
John, or a short form of
Evangelos.
Owen, on the other hand is an Anglisized version of
Eoghan, which can be a form of
Eugene. Two TOTALLY different names.
Thank you for coming here! I hope I helped to clear it up.
If you would like more info, click the blue hyperlinks:
Evan ,
Owen