From the alder grove
A modern phonetic spelling of the French surname Delaunay, meaning 'from the alder grove'. It is also often associated with the Irish surname Delaney, derived from 'DubhshlΓ‘ine', meaning 'dark challenger'.
Less common today
Delainie isn't in the latest US Top 1000. It last peaked at #10,414 in 2004.
US births per 5-year period, 1990βpresent (SSA data).