Finnegan is a moderately popular boys' name in United States, ranking #464 in 2014 with 632 recorded births. The name reached its all-time peak in 2021 with 860 births ranking #378. Since 1996, the popularity has increased by 12,540.0%. In 2014, approximately 1 in every 3,039 boys born was named Finnegan. STABLE Recent data shows the name is currently stable.