Ruairi is a distinctive boys' name in United States, ranking #8858 in 2009 with 9 recorded births. The name reached its all-time peak in 2022 with 21 births ranking #4817. Since 1996, the popularity has increased by 50.0%. In 2009, approximately 1 in every 220,367 boys born was named Ruairi. RISING Recent data shows the name is currently rising.