Finbarr is a distinctive boys' name in United States, ranking #11126 in 2015 with 6 recorded births. This places Finbarr in the bottom 21% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2015 with 6 births ranking #11126. In 2015, approximately 1 in every 319,376 boys born was named Finbarr. STABLE Recent data shows the name is currently stable.