Elly is a distinctive girls' name in United States, ranking #1849 in 1999 with 86 recorded births. The name reached its all-time peak in 2010 with 191 births ranking #1254. Since 1996, the popularity has increased by 138.9%. In 1999, approximately 1 in every 20,625 girls born was named Elly. RISING Recent data shows the name is currently rising.