Finnian is a distinctive boys' name in United States, ranking #3936 in 1997 with 17 recorded births. This places Finnian in the top 36% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2016 with 187 births ranking #1059. Since 1996, the popularity has increased by 142.9%. In 1997, approximately 1 in every 110,888 boys born was named Finnian. STABLE Recent data shows the name is currently stable.