Scarlet is a moderately popular girls' name in United States, ranking #376 in 2015 with 870 recorded births. The name reached its all-time peak in 2015 with 870 births ranking #376. Since 1996, the popularity has increased by 1,259.4%. In 2015, approximately 1 in every 2,051 girls born was named Scarlet. FALLING Recent data shows the name is currently falling.