Madilynn is an American spelling of Madeline, the English form of Magdalene, "woman of Magdala", a town on the Sea of Galilee whose name comes from the Hebrew word for "tower". The double n and the i respelling put it in line with Adalynn and Brooklynn, the -lynn fashion of the 2010s. Madilynn entered the US top 1000 in 2007, peaked at number 479 in 2014 and ranks number 860 among girls in 2025.