Ruairi is a distinctive boys' name in England & Wales, ranking #655 in 1999 with 26 recorded births. The name reached its all-time peak in 2021 with 80 births ranking #496. Since 1996, the popularity has decreased by 21.2%. In 1999, approximately 1 in every 11,663 boys born was named Ruairi. STABLE Recent data shows the name is currently stable.