Finnegan is a distinctive boys' name in United States, ranking #655 in 2007 with 366 recorded births. The name reached its all-time peak in 2021 with 860 births ranking #378. Since 1996, the popularity has increased by 7,220.0%. In 2007, approximately 1 in every 5,670 boys born was named Finnegan. STABLE Recent data shows the name is currently stable.