Ruairi is a distinctive boys' name in England & Wales, ranking #833 in 2015 with 37 recorded births. The name reached its all-time peak in 2021 with 80 births ranking #496. Since 1996, the popularity has increased by 12.1%. In 2015, approximately 1 in every 9,006 boys born was named Ruairi. STABLE Recent data shows the name is currently stable.