Out of these two, Madeline. Madeleine feels French and snobbish. Madeline feels like a popular schoolgirl. I think Madeline is dated, and Maddie might unfortunately be unavoidable.
masculine list:
https://www.behindthename.com/pnl/191050/124079feminine list:
https://www.behindthename.com/pnl/191050/124080