Finnegan is a moderately popular boys' name in United States, ranking #410 in 2017 with 763 recorded births. The name reached its all-time peak in 2021 with 860 births ranking #378. Since 1996, the popularity has increased by 15,160.0%. In 2017, approximately 1 in every 2,425 boys born was named Finnegan. STABLE Recent data shows the name is currently stable.