Madelynn is an American spelling of Madeline, which comes from Mary Magdalene, the "woman from Magdala", a town on the Sea of Galilee whose name means "tower". The double-n form matches Brooklynn and Adalynn and lets the nickname Maddie stand on a familiar base. Madelynn has been in the US top 1000 since 2000, peaked at number 375 in 2009 and ranks number 524 in 2025.