Finnegan is a moderately popular boys' name in United States, ranking #459 in 2013 with 610 recorded births. The name reached its all-time peak in 2021 with 860 births ranking #378. Since 1996, the popularity has increased by 12,100.0%. In 2013, approximately 1 in every 3,100 boys born was named Finnegan. STABLE Recent data shows the name is currently stable.