Roisin is a distinctive girls' name in United States, ranking #4580 in 2012 with 32 recorded births. The name reached its all-time peak in 2025 with 64 births ranking #2716. Since 1996, the popularity has increased by 100.0%. In 2012, approximately 1 in every 55,023 girls born was named Roisin. RISING Recent data shows the name is currently rising.