Ruairi is a distinctive boys' name in England & Wales, ranking #883 in 2001 with 19 recorded births. The name reached its all-time peak in 2021 with 80 births ranking #496. Since 1996, the popularity has decreased by 42.4%. In 2001, approximately 1 in every 15,148 boys born was named Ruairi. STABLE Recent data shows the name is currently stable.