Alec or Alexander
Andrew or Asher
Atticus or Benjamin
Bennett or Callum
Caspian or Cedric
Cillian or Christian
Christopher or Connor
Daniel or David
Declan or Dominic
Edmund or Edward
Eric or Ethan
Evan or Ewan
Finn or Flynn
Frederick or Gavin
Hayden or Harry
Henry or Ian
Isaac or Jack
Jackson or James
Jonathan or Jude
Kellan or Lee
Liam or Lucian
Lucius or Malcolm
Maddox or Matthew
Matteo or Matthias
Michael or Mitchell
Nathan or Nathaniel
Orion or Owen
Patrick or Paul
Peregrine or Peter
Roderick or Roland
Sawyer or Samuel
Sean or Seth
Shane or Stephen
Thomas or Tobias
Ulrich or Vincent
William or Wolf
Xavier or Zane