Baby Names Ending With ‘-en’ Are All The Rage, And The Irish Moniker Madden Perfectly Exemplifies That. Often Used As A Surname, Madden Is A Gender-neutral Name Coming From The Irish Word madra That Means “little Dog.” It Has Become Increasingly Popular In Recent Years, And That’s Not Just Because Of Its Adorable Meaning. A Significant Number Of Contemporary Celebrities Bear The Name Madden, From Former Pro Footballer John Madden To British Actor Richard Madden.