Emmalyn is a modern American combination of Emma, the Germanic name meaning "whole" or "universal", and the fashionable ending -lyn. It took off in the 2010s alongside Emmeline and the many -lynn names of that decade. In the United States Emmalyn entered the top 1000 in 2010, peaked at number 456 in 2015 and has slipped to number 1137 in 2025.