Finnegan is a distinctive boys' name in United States, ranking #1098 in 2004 with 144 recorded births. The name reached its all-time peak in 2021 with 860 births ranking #378. Since 1996, the popularity has increased by 2,780.0%. In 2004, approximately 1 in every 13,783 boys born was named Finnegan. STABLE Recent data shows the name is currently stable.