Finnegan is a distinctive boys' name in United States, ranking #1437 in 2000 with 86 recorded births. The name reached its all-time peak in 2021 with 860 births ranking #378. Since 1996, the popularity has increased by 1,620.0%. In 2000, approximately 1 in every 22,836 boys born was named Finnegan. STABLE Recent data shows the name is currently stable.