Finnegan is a moderately popular boys' name in United States, ranking #489 in 2012 with 548 recorded births. The name reached its all-time peak in 2021 with 860 births ranking #378. Since 1996, the popularity has increased by 10,860.0%. In 2012, approximately 1 in every 3,461 boys born was named Finnegan. STABLE Recent data shows the name is currently stable.