Finnian is a distinctive boys' name in United States, ranking #1264 in 2019 with 148 recorded births. The name reached its all-time peak in 2016 with 187 births ranking #1059. Since 1996, the popularity has increased by 2,014.3%. In 2019, approximately 1 in every 12,117 boys born was named Finnian. STABLE Recent data shows the name is currently stable.