Rosaly is a distinctive girls' name in United States, ranking #5760 in 2014 with 23 recorded births. The name reached its all-time peak in 2019 with 25 births ranking #5284. Since 1996, the popularity has increased by 187.5%. In 2014, approximately 1 in every 77,649 girls born was named Rosaly. RISING Recent data shows the name is currently rising.