Finnegan is a moderately popular boys' name in United States, ranking #431 in 2019 with 713 recorded births. The name reached its all-time peak in 2021 with 860 births ranking #378. Since 1996, the popularity has increased by 14,160.0%. In 2019, approximately 1 in every 2,515 boys born was named Finnegan. STABLE Recent data shows the name is currently stable.