Finnegan is a distinctive boys' name in United States, ranking #1710 in 2002 with 68 recorded births. The name reached its all-time peak in 2021 with 860 births ranking #378. Since 1996, the popularity has increased by 1,260.0%. In 2002, approximately 1 in every 28,551 boys born was named Finnegan. STABLE Recent data shows the name is currently stable.