Finnegan is a moderately popular boys' name in United States, ranking #446 in 2022 with 697 recorded births. The name reached its all-time peak in 2021 with 860 births ranking #378. Since 1996, the popularity has increased by 13,840.0%. In 2022, approximately 1 in every 2,503 boys born was named Finnegan. FALLING Recent data shows the name is currently falling.