Molly is a moderately popular girls' name in United States, ranking #186 in 2021 with 1,582 recorded births. The name reached its all-time peak in 2011 with 3,615 births ranking #78. Since 1996, the popularity has decreased by 52.2%. In 2021, approximately 1 in every 1,036 girls born was named Molly. STABLE Recent data shows the name is currently stable.