Finnian is a distinctive boys' name in England & Wales, ranking #1132 in 2018 with 24 recorded births. The name reached its all-time peak in 2021 with 33 births ranking #907. Since 1996, the popularity has increased by 20.0%. In 2018, approximately 1 in every 13,025 boys born was named Finnian. STABLE Recent data shows the name is currently stable.