Duncan

Duncan was the #1,123 boys' name in the US in 2025 (190 babies), and #1,538 in England & Wales and #916 in Canada.

Duncan as a boy’s name

  • US
  • England & Wales
  • Scotland
  • Northern Ireland
  • Ireland
  • Canada
Duncan 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.01.252.53.75518801900192019401960198020002020ScotlandCanadaUSEngland & Wales
Duncan 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.01.252.53.7551880192019602000
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#1,123 (190)#1,538 (17)#253 (16)——#916 (28)
2024#1,103 (195)#1,675 (15)#246 (16)——#767 (34)
2023#930 (244)#1,207 (23)#200 (22)——#693 (37)
2022#913 (253)#1,420 (18)#203 (21)——#489 (57)
2021#1,016 (216)#1,782 (13)#233 (19)——#623 (44)
2020#982 (217)#1,492 (16)#213 (20)——#688 (37)
2019#1,013 (205)#1,655 (14)#258 (16)——#658 (39)
2018#915 (235)#1,235 (21)#202 (23)——#504 (55)
2017#869 (251)#1,042 (28)#236 (20)——#489 (58)
2016#806 (286)#1,081 (26)#202 (26)——#534 (52)
2015#790 (294)#1,442 (17)#200 (26)——#487 (58)
2014#800 (287)#1,223 (21)#150 (39)——#378 (80)
2013#823 (262)#882 (33)#177 (31)——#414 (70)
2012#830 (263)#1,270 (20)#212 (23)——#434 (64)
2011#800 (275)#781 (39)#168 (33)——#401 (71)

The tide so far

  • Peaked in the US in 1997 at #378.
  • Holding steady over the last five years.
  • In the US records since the data begins in 1880.

How common is it?

about 1 in 9,000 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 9,000uncommon
England & WalesBoys2025about 1 in 16,000rare
ScotlandBoys2025about 1 in 1,200uncommon
CanadaBoys2025about 1 in 5,700uncommon

Next year

On its recent trend, Duncan is likely to hold steady in the US in 2026: about 1 in 9,100 baby boys. Likely range 1 in 7,200 to 1 in 12,000.

Estimate, not an official figure. How we estimate.

Across the US

Duncan by state, 2025Alaska: fewer than 5 babiesAKMaine: fewer than 5 babiesMEWisconsin: #678WIVermont: fewer than 5 babiesVTNew Hampshire: fewer than 5 babiesNHWashington: #801WAIdaho: fewer than 5 babiesIDMontana: fewer than 5 babiesMTNorth Dakota: fewer than 5 babiesNDMinnesota: fewer than 5 babiesMNIllinois: #870ILMichigan: #905MINew York: #1,410NYMassachusetts: fewer than 5 babiesMAOregon: #604ORNevada: fewer than 5 babiesNVWyoming: fewer than 5 babiesWYSouth Dakota: fewer than 5 babiesSDIowa: fewer than 5 babiesIAIndiana: fewer than 5 babiesINOhio: #710OHPennsylvania: #1,231PANew Jersey: #766NJConnecticut: fewer than 5 babiesCTRhode Island: fewer than 5 babiesRICalifornia: #1,241CAUtah: fewer than 5 babiesUTColorado: #626CONebraska: fewer than 5 babiesNEMissouri: fewer than 5 babiesMOKentucky: fewer than 5 babiesKYWest Virginia: fewer than 5 babiesWVVirginia: #971VAMaryland: fewer than 5 babiesMDDelaware: fewer than 5 babiesDEArizona: fewer than 5 babiesAZNew Mexico: fewer than 5 babiesNMKansas: fewer than 5 babiesKSArkansas: fewer than 5 babiesARTennessee: #927TNNorth Carolina: #1,028NCSouth Carolina: #743SCDistrict of Columbia: fewer than 5 babiesDCOklahoma: fewer than 5 babiesOKLouisiana: fewer than 5 babiesLAMississippi: fewer than 5 babiesMSAlabama: fewer than 5 babiesALGeorgia: #1,350GAHawaii: fewer than 5 babiesHITexas: #1,294TXFlorida: fewer than 5 babiesFL
Duncan (boys) rank in each state, 2025. Hatched states recorded fewer than 5 babies.
  • #1–10
  • #11–50
  • #51–100
  • #101–500
  • below #500

Across Canada

ProvinceYearRankBabies
Ontario2024#71916

Duncan (boys): rank in each province’s latest list. Only Quebec and Ontario publish full name lists; Ontario’s latest list is a year behind.

Spellings

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

SpellingWhereSexLatest rankBabies
DuncanCanadaBoys#91628
DuncanEngland & WalesBoys#1,53817
DuncanIrelandBoys—too few
DuncanNorthern IrelandBoys—too few
DuncanScotlandBoys#25316
DuncanUSGirls—too few
DuncanUSBoys#1,123190