Finnian is a distinctive boys' name in United States, ranking #1941 in 2004 with 63 recorded births. The name reached its all-time peak in 2016 with 187 births ranking #1059. Since 1996, the popularity has increased by 800.0%. In 2004, approximately 1 in every 31,505 boys born was named Finnian. STABLE Recent data shows the name is currently stable.