Rosaly is a distinctive girls' name in United States, ranking #8675 in 1999 with 11 recorded births. The name reached its all-time peak in 2019 with 25 births ranking #5284. Since 1996, the popularity has increased by 37.5%. In 1999, approximately 1 in every 161,253 girls born was named Rosaly. RISING Recent data shows the name is currently rising.