Finnigan
Masculine · “descendant of the fair one”
Finnigan is the Irish Ó Fionnagáin — descendant of the fair one — from fionn, white, the same root as Finn.
How old is the name Finnigan?
Finnigan first appears in US birth records in 1999 — 26 years ago. The typical Finnigan is a kid of about 9 — this name's wave is very recent. About 1,300 people named Finnigan are estimated to be alive in the US today.
When was the name Finnigan most popular?
Finnigan peaked in 2016, reaching #1585 nationally. Today it ranks #2604, 1,019 places below that high. See the whole 2016 chart.
Finnigan appears on this list:
Where it comes from
From fionn to Finnigan
The story of Finnigan
Fionn runs through Irish naming as the word for fair, and Ó Fionnagáin is one of a large family built on it. Finnegans Wake takes its title from a music-hall song about a man who wakes at his own wake when whiskey is spilled on him. Finnigan appears in American records in current use.
Meaning
descendant of the fair one
From the Irish Ó Fionnagáin, built on a diminutive of fionn, 'fair' or 'white'. The same root gives Finn, Fionnuala and Finlay. The Irish is ordinary and the reading undisputed. Finnigan and Finnegan are both current spellings.
How the name formed
- fionn
- Ó Fionnagáin
- Finnigan
Related forms: Ó Fionnagáin · Finnegan
Pronouncing Finnigan
FIN-ih-gun
Three syllables, stress on the first. Irish Ó Fionnagáin is oh-FIN-uh-gawn.
Nicknames for Finnigan
Moderate
What the data says
146 years of official birth records
The long climb, and where it stands now
The same years in position rather than babies
- First recorded
- 1999
- Most boys named
- 2016103 — the highest on record
- Peak rank
- #1585reached in 2016
- Change vs 2024
- +6.4%50 in 2025, from 47
Rank is a position, a count is a headcount, and they move independently — a name can hold its rank while the number of babies behind it falls. Source: U.S. Social Security Administration.
Finnigan in other languages
The same name elsewhere
- Ó Fionnagáin in Irish — related form
- Finnegan in English — spelling variant
Strongest US states over the last decade: Illinois, Michigan, Ohio.
Finnigans among us
people named Finnigan are estimated to be alive in the US today
About 1 boy in 34,162 born in 2025 was named Finnigan
Estimated from SSA birth records and published actuarial life tables. Method
Is it right for you
What happens to a name after it peaks
The Livan test
Every popular name lives one long story — a climb, a peak, a slow settling back. Finnigan's later chapters haven't been written yet, so we borrowed them: Livan climbed just as high around 1998, and its whole arc is on record. Line the two peaks up, and Livan's path sketches the road Finnigan is walking now.
Finnigan sits in the calm middle of the cycle — neither chasing a wave nor sliding off one. Middle-of-the-cycle names age slowly and predictably.
A scored estimate from 146 years of naming cycles — not a prophecy. Great names outlive statistics. How this is scored
Where Finnigan is headed
Finnigan is easing off slowly — about 20% fewer babies a year by 2030 if the trend continues.
Medium confidence — fitted on official counts through 2025.
A damped-trend projection of the official birth data — a sketch of momentum, not a promise. Every name's forecast, ranked.
Finnigan beside its neighbors
The names ranked closest to Finnigan in 2025, in babies rather than position — the bars are to scale.
US boys given each name in 2025.
The trade-off
- That Joyce's title comes from a song about a man waking at his own wake is a first-rate fact.
- Finn is available as a short form with a large record.
- The fair meaning is concrete and undisputed.
- Finnegan is the commoner spelling.
- It reads unmistakably as a surname.
- Three syllables make it moderately long for everyday use.
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What they receive
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Finnigan
Masculine · #2604 in the U.S.
Frequently asked
- How many Finnigans are there in the world?
- No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 1,300 people named Finnigan are estimated to be alive in the US today.
- How popular is the name Finnigan in 2025?
- Finnigan ranks #2604 among US boy names in 2025, with 50 babies given the name.
- How rare is the name Finnigan?
- About 1 in every 34,162 US boys born in 2025 was named Finnigan — 50 in all.
- Will my child share the name Finnigan with classmates?
- Finnigan will almost certainly be the only one in school.
Ranked beside Finnigan
Names sitting at a similar level of popularity right now.
Yahia#2604 · Larson#2604 · Mazin#2604 · Rowe#2604 · Hendrik#2604 · Dayvon#2604 · Kipton#2604 · Finlay#2604
Looking for what else is popular rather than what resembles Finnigan? See the current top 100.
Choosing between Finnigan and another name?
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US figures from the Social Security Administration. 1880–2025. Data & methodology
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