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The short answer
Finn is a masculine name used in Irish Mythology and Old Irish. Behind the Name describes it this way: "Old Irish form of Fionn, as well as the usual Anglicized spelling (with the Irish hero's name Anglicized as Finn McCool). As a surname it is borne by Huckleberry Finn, a character in Mark Twain's novels." It ranked #206 for boys in the United States in 2025.
Meaning and etymology
According to Behind the Name, old Irish form of Fionn, as well as the usual Anglicized spelling (with the Irish hero's name Anglicized as Finn McCool). As a surname it is borne by Huckleberry Finn, a character in Mark Twain's novels. The entry lists its usage as Irish Mythology, Old Irish, Irish, English and others.
Editorial confidence: likely
Popularity
Finn ranked #206 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 | #206 | ssa-2025 |
Frequently asked questions
What does the name Finn mean?
Behind the Name does not give Finn a one-word meaning. It describes the name as follows: old Irish form of Fionn, as well as the usual Anglicized spelling.
Is Finn a popular name?
Finn ranked #206 for boys in the United States in 2025. (Social Security Administration data).
Is Finn a boy's or a girl's name?
In the 2025 SSA data Finn appears in the boys' list; Behind the Name labels it masculine.
Sources
- Behind the Name: Meaning, origin and history of the name Finn (1) — supports meaning, usage, pronunciation, variants.
- U.S. Social Security Administration: Popular Baby Names — national data, year of birth 2025 — supports popularity.
