Finnegan is a distinctive boys' name in United States, ranking #8509 in 1997 with 6 recorded births. The name reached its all-time peak in 2021 with 860 births ranking #378. Since 1996, the popularity has increased by 20.0%. In 1997, approximately 1 in every 314,182 boys born was named Finnegan. STABLE Recent data shows the name is currently stable.