Finnegan is a distinctive boys' name in United States, ranking #2276 in 1999 with 40 recorded births. The name reached its all-time peak in 2021 with 860 births ranking #378. Since 1996, the popularity has increased by 700.0%. In 1999, approximately 1 in every 48,002 boys born was named Finnegan. STABLE Recent data shows the name is currently stable.