Ruairi is a distinctive boys' name in England & Wales, ranking #1135 in 2005 with 18 recorded births. The name reached its all-time peak in 2021 with 80 births ranking #496. Since 1996, the popularity has decreased by 45.5%. In 2005, approximately 1 in every 17,191 boys born was named Ruairi. STABLE Recent data shows the name is currently stable.