The name Delaney is a girl's name of Irish origin meaning "dark challenger". Delaney is ranked #262 on our popularity charts and is often added to lists like Surname Baby Names and discussed in our forums with posts like "Love, Like, Lose -- Outlandish/Guilty Pleasures edition!".
From the experts:
Delaney has been a popular Irish surname name for a couple of decades, projecting buoyant enthusiasm plus a feminine feel.