Origin: English, Irish, Old French
Alternate spellings: Delane, Delainy, Delaine
As an English surname Delaney came from the Norman French and means “from the alder grove.” As an Irish name Delaney goes back to the Gaelic O’Dubhshlaine, a name that has the word parts dubh (“black”) and sian (“challenge,” or “defiance.”) This last part might make sense when your toddler Delaney refuses to brush her teeth.
Delaney is sometimes used as a boy’s name. For girls it emerged on the list of popular names in 1991 and got into the 200′s or better since 1996.
By The Numbers
U.S. Rank by Year
Rank of Similar Names in 2008