The name Delaney is a girl's name of Irish origin meaning "dark challenger". Delaney is ranked #250 on our popularity charts and is often added to lists like Surname Baby Names and discussed in our forums with posts like "Names on NB that make you go WOW!".
From the experts:
Delaney has been a popular Irish surname name for a couple of decades, projecting buoyant enthusiasm plus a feminine feel.