Updated June 9, 2019 Share: Boy name origins & meanings Irish : Faithful Boy name variations Dillon Dillon - 9% this year Masculine Rare Find out more Dil Dil 0 % this year Masculine Rare Find out more Dill Dill 0 % this year Masculine Rare Find out more Dilly Dilly 0 % this year Masculine Rare Find out more Dillyn Dillyn 0 % this year Masculine Rare Find out more Dilon Dilon 0 % this year Masculine Rare Find out more Dilyn Dilyn + 60% this year Masculine Rare Find out more Dilynn Dilynn + 6% this year Masculine Rare Find out more Family name origins & meanings Probably an altered spelling of Dilley or Dilly or possibly of German Dillier, a variant of Dilger 2.