Finnegan is a distinctive boys' name in United States, ranking #888 in 2005 with 204 recorded births. The name reached its all-time peak in 2021 with 860 births ranking #378. Since 1996, the popularity has increased by 3,980.0%. In 2005, approximately 1 in every 9,790 boys born was named Finnegan. STABLE Recent data shows the name is currently stable.