Fionn

Fionn was the #4,139 boys' name in the US in 2025 (25 babies), and #658 in England & Wales and #2,095 in Canada.

Fionn as a boy’s name

  • US
  • England & Wales
  • Scotland
  • Northern Ireland
  • Ireland
  • Canada
Fionn as a boy’s name, US, England & Wales, Scotland, Northern Ireland, Ireland, CanadaBabies per 1,000 in the published list, 1880–2025, for US, England & Wales, Scotland, Northern Ireland, Ireland, Canada. Gaps mark years with too few babies to be published.0510152018801900192019401960198020002020IrelandNorthern IrelandScotlandEngland & WalesCanadaUS
Fionn as a boy’s name, US, England & Wales, Scotland, Northern Ireland, Ireland, CanadaBabies per 1,000 in the published list, 1880–2025, for US, England & Wales, Scotland, Northern Ireland, Ireland, Canada. Gaps mark years with too few babies to be published.051015201880192019602000
Babies per 1,000 of the same sex in each published list. Breaks in a line are years with too few babies to be published.
Show the numbers
YearUSEngland & WalesScotlandNorthern IrelandIrelandCanada
2025#4,139 (25)#658 (55)#278 (13)#44 (43)#6 (321)#2,095 (9)
2024#4,571 (22)#757 (45)#330 (11)#26 (60)#7 (304)#1,909 (10)
2023#3,629 (31)#645 (55)#321 (11)#34 (60)#6 (306)#1,342 (15)
2022#3,879 (28)#555 (69)#271 (14)#51 (51)#11 (287)#1,557 (12)
2021#3,021 (40)#610 (61)#353 (10)#36 (64)#14 (289)#974 (24)
2020#4,275 (23)#601 (59)#292 (13)#40 (62)#8 (323)#1,520 (12)
2019#4,114 (25)#589 (63)#516 (5)#49 (58)#16 (291)#1,205 (17)
2018#2,943 (40)#702 (49)#288 (13)#60 (50)#14 (309)#1,175 (17)
2017#3,378 (33)#628 (57)#333 (11)#53 (56)#14 (314)#1,510 (12)
2016#3,681 (29)#691 (50)#302 (13)#51 (60)#21 (308)#892 (26)
2015#3,513 (31)#790 (40)#295 (13)#43 (68)#19 (325)#1,204 (16)
2014#4,138 (24)#805 (38)#439 (7)#58 (53)#26 (270)#1,936 (8)
2013#3,661 (28)#976 (29)#399 (8)#52 (58)#25 (304)#1,164 (17)
2012#3,059 (37)#1,021 (27)#568 (4)#70 (47)#27 (292)#1,971 (8)
2011#3,994 (25)#831 (36)#386 (8)#68 (51)#30 (255)#2,125 (7)

The tide so far

  • Peaked in the US in 2021 at #3,021.
  • Holding steady over the last five years.
  • First recorded in the US in 1973.

How common is it?

about 1 in 67,000 baby boys in the published US list for 2025.

In a group of 1,000 children born that year, you would expect to meet fewer than 1. How we work this out.

How common, country by country

WhereSexLatest yearShareVerdict
USBoys2025about 1 in 67,000rare
England & WalesBoys2025about 1 in 5,000uncommon
ScotlandBoys2025about 1 in 1,500uncommon
Northern IrelandBoys2025about 1 in 190very common
IrelandBoys2025about 1 in 74very common
CanadaBoys2025about 1 in 18,000rare

Next year

On its recent trend, Fionn is likely to keep falling in the US in 2026: about 1 in 82,000 baby boys. Likely range 1 in 61,000 to 1 in 110,000.

Estimate, not an official figure. How we estimate.

Spellings

Official statistics count each spelling separately, so we show them side by side rather than adding them up.

SpellingWhereSexLatest rankBabies
FionnCanadaBoys#2,0959
FionnEngland & WalesGirls—too few
FionnEngland & WalesBoys#65855
FionnIrelandBoys#6321
FíonnIrelandBoys#28615
FionnNorthern IrelandGirls—too few
FionnNorthern IrelandBoys#4443
FionnScotlandGirls—too few
FionnScotlandBoys#27813
FionnUSBoys#4,13925