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BoyIrish origin3 syllables

Finnegan

Meaning: “descendant of Fionnagán”

About the name Finnegan

Finnegan is a boy name with Irish roots, meaning “descendant of Fionnagán”.

It has a modern feel. In 2025, Finnegan ranked #526 for boys in the US, with 569 babies given the name. Its peak year since 1940 was 2021. Since 2000, 99% of US babies named Finnegan were boys.

Etymology

From Irish, meaning “descendant of Fionnagán”.

Name meaning adapted from Wiktionary (“Finnegan”) by Wiktionary contributors, CC BY-SA 4.0.

US rank 2025
#526
In 2015
#405
Babies in 2025
569

Popularity of Finnegan, 1940–2025

021543064586019401960198020002020
Boys GirlsBabies per year in the US

Latest SSA data: 2025.

Popularity data: U.S. Social Security Administration national baby names (public domain; names given to at least 5 babies of one sex per year).

Nicknames for Finnegan

Names similar to Finnegan

Name meanings marked or linked “Wiktionary” are adapted from Wiktionary by Wiktionary contributors, CC BY-SA 4.0; each name page links its source entry.