Ruairi is a distinctive boys' name in England & Wales, ranking #953 in 2000 with 16 recorded births. The name reached its all-time peak in 2021 with 80 births ranking #496. Since 1996, the popularity has decreased by 51.5%. In 2000, approximately 1 in every 18,323 boys born was named Ruairi. STABLE Recent data shows the name is currently stable.