Ellyn is a distinctive girls' name in United States, ranking #6457 in 2010 with 20 recorded births. The name reached its all-time peak in 1996 with 47 births ranking #2639. Since 1996, the popularity has decreased by 57.4%. In 2010, approximately 1 in every 88,866 girls born was named Ellyn. FALLING Recent data shows the name is currently falling.