Meaning and name origin
Delaney \d(e)-la-ney\ as a boy's name (also used as girl's name Delaney), is pronounced de-LANE-ee. It is of Old French and Irish origin, and the meaning of Delaney is "from the alder grove; black defiance". Can derive from the Norman French name "del aunaie", or from an Irish surname from an old name "Dubhshlaine", or from a place name referring to the Slaney river.
There is 1 feminine form of Delaney: Trelane.
Delaney is not a popular first name for males but a very popular surname or last name for all people (#929 out of 88799, Top 1%) (2000 U.S. Census).
Displayed below is a comparison of the popularity of the boy name Delaney and its variant forms. The only popular variation form ranked in the Top 1000/100 is Delano. (2014 statistics).