Oisin is a distinctive boys' name in England & Wales, ranking #734 in 2012 with 45 recorded births. The name reached its all-time peak in 2021 with 96 births ranking #433. Since 1996, the popularity has increased by 221.4%. In 2012, approximately 1 in every 7,743 boys born was named Oisin. RISING Recent data shows the name is currently rising.