Finnegan is a distinctive boys' name in United States, ranking #546 in 2009 with 484 recorded births. The name reached its all-time peak in 2021 with 860 births ranking #378. Since 1996, the popularity has increased by 9,580.0%. In 2009, approximately 1 in every 4,098 boys born was named Finnegan. STABLE Recent data shows the name is currently stable.