Finnegan
Finnegan: name meaning, origin and popularity
Meaning and origin of Finnegan
Root meaning: “descendant of Fionnagán”
- A male given name transferred from the surname.
Etymology
Borrowed from Irish Ó Fionnagáin (“descendant of Fionnagán”). Fionnagán is a given name that descends from Old Irish Finnacán, which is typically anglicised as Finnegan itself.
How popular is Finnegan?
Since 1880, 104 girls and 13,011 boys in the U.S. have been named Finnegan (1% girls). Its highest rank for girls was #8202 in 2023. Its highest rank for boys was #378 in 2021. In 2025 it ranked #526 for boys, with 575 babies given the name.
Names similar to Finnegan
Names that start with the same letters, most popular first.
More Irish boy names
Sibling name ideas for Finnegan
Sister and brother names that share Finnegan's Irish roots and are still in the U.S. top 1,000.
Finnegan FAQ
What does the name Finnegan mean?
Finnegan traces back to a root meaning "descendant of Fionnagán". A male given name transferred from the surname. Borrowed from Irish Ó Fionnagáin (“descendant of Fionnagán”). Fionnagán is a given name that descends from Old Irish Finnacán, which is typically anglicised as Finnegan itself.
What is the origin of the name Finnegan?
Finnegan is listed as a name of Irish origin.
How popular is the name Finnegan?
Since 1880, 104 girls and 13,011 boys in the U.S. have been named Finnegan (1% girls). Its highest rank for girls was #8202 in 2023. Its highest rank for boys was #378 in 2021. In 2025 it ranked #526 for boys, with 575 babies given the name.
Is Finnegan a boy or girl name?
Finnegan is mostly a boy name in the U.S.: 104 girls and 13,011 boys since 1880.
Popularity data: U.S. Social Security Administration baby name data, 1880–2025 (names given to 5+ babies per year). Origin and etymology text: Wiktionary, available under CC BY-SA 4.0.