It is customary for a boy to adopt the name of a saint as a protector and a guide, although it is also permissible to choose the name of a male saint. Saint's names adopted as confirmation names are often used in conjunction with the middle name, but Confirmation names are without effect in civil law, unless, the appropriate legal routes are followed.
A free online resource crammed with advice about choosing Confirmation Names for Boys...
Confirmation Names for Boys - Perfect for considering names for Confirmation
Detailed below are the most famous names of Patron Saints often given as Confirmation names for Boys.