Finnegan is a distinctive boys' name in United States, ranking #3132 in 1998 with 25 recorded births. The name reached its all-time peak in 2021 with 860 births ranking #378. Since 1996, the popularity has increased by 400.0%. In 1998, approximately 1 in every 76,453 boys born was named Finnegan. STABLE Recent data shows the name is currently stable.