The name Iago is a boy's name of Spanish, Welsh origin. Iago and is often added to lists like Cool Baby Names That Start With I and discussed in our forums with posts like "A brother or sister for little Jack or Olivia".
From the experts:
Iago, the villain of Shakespeare's Othello, was so treacherously evil that his name has hardly ever been heard offstage. Try the much-more-benign Inigo.