Finnegan is a distinctive boys' name in United States, ranking #1090 in 2003 with 142 recorded births. The name reached its all-time peak in 2021 with 860 births ranking #378. Since 1996, the popularity has increased by 2,740.0%. In 2003, approximately 1 in every 13,910 boys born was named Finnegan. STABLE Recent data shows the name is currently stable.