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The short answer
Finnegan is a masculine name used in English. Behind the Name describes it this way: "From an Irish surname, an Anglicized form of Ó Fionnagáin, itself derived from the given name Fionnagán, a diminutive of Fionn. This is the surname of a relatively minor character in James Joyce's novel Finnegans Wake (1939), the title of which was based on a 19th-century Irish ballad called Finnegan's Wake." It ranked #526 for boys in the United States in 2025.
Meaning and etymology
According to Behind the Name, from an Irish surname, an Anglicized form of Ó Fionnagáin, itself derived from the given name Fionnagán, a diminutive of Fionn. This is the surname of a relatively minor character in James Joyce's novel Finnegans Wake (1939), the title of which was based on a 19th-century Irish ballad called Finnegan's Wake. The entry lists its usage as English (Modern).
Editorial confidence: likely
Popularity
Finnegan ranked #526 for boys in the United States in 2025. The figure comes from the Social Security Administration's national file for that year.
| Region | Year | Rank | Source |
|---|---|---|---|
| United States | 2025 | #526 | ssa-2025 |
If you like this name
Names that Behind the Name files under the same origin (English) and that sit near Finnegan in the 2025 American rankings.
Similar by origin
Frequently asked questions
What does the name Finnegan mean?
Behind the Name does not give Finnegan a one-word meaning. It describes the name as follows: from an Irish surname, an Anglicized form of Ó Fionnagáin, itself.
Is Finnegan a popular name?
Finnegan ranked #526 for boys in the United States in 2025. (Social Security Administration data).
Is Finnegan a boy's or a girl's name?
In the 2025 SSA data Finnegan appears in the boys' list; Behind the Name labels it masculine.
Sources
- Behind the Name: Meaning, origin and history of the name Finnegan — supports meaning, usage, pronunciation, variants.
- U.S. Social Security Administration: Popular Baby Names — national data, year of birth 2025 — supports popularity.
