Finnegan is a distinctive boys' name in United States, ranking #649 in 2008 with 377 recorded births. The name reached its all-time peak in 2021 with 860 births ranking #378. Since 1996, the popularity has increased by 7,440.0%. In 2008, approximately 1 in every 5,411 boys born was named Finnegan. STABLE Recent data shows the name is currently stable.