Thaddeus

Thaddeus was the #797 boys' name in the US in 2025 (314 babies), and #1,538 in England & Wales and #981 in Canada.

Thaddeus as a boy’s name

  • US
  • England & Wales
  • Ireland
  • Canada
Thaddeus as a boy’s name, US, England & Wales, Ireland, CanadaBabies per 1,000 in the published list, 1880–2025, for US, England & Wales, Ireland, Canada. Gaps mark years with too few babies to be published.00.130.250.380.518801900192019401960198020002020USCanadaEngland & Wales
Thaddeus as a boy’s name, US, England & Wales, Ireland, CanadaBabies per 1,000 in the published list, 1880–2025, for US, England & Wales, Ireland, Canada. Gaps mark years with too few babies to be published.00.130.250.380.51880192019602000
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 & WalesIrelandCanada
2025#797 (314)#1,538 (17)—#981 (26)
2024#852 (285)#2,922 (7)—#1,026 (24)
2023#893 (260)#2,814 (7)—#1,192 (18)
2022#808 (309)#1,880 (12)—#1,284 (16)
2021#817 (295)#1,782 (13)#755 (3)#1,277 (16)
2020#783 (297)#2,682 (7)—#1,176 (18)
2019#743 (325)#2,266 (9)—#1,530 (12)
2018#703 (344)#1,875 (12)—#1,175 (17)
2017#660 (387)#1,470 (17)—#1,074 (20)
2016#638 (416)#2,335 (9)—#1,283 (15)
2015#703 (358)#2,483 (8)#699 (3)#1,071 (19)
2014#730 (328)#1,935 (11)—#1,565 (11)
2013#796 (280)#3,315 (5)#711 (3)#1,380 (13)
2012#898 (231)——#1,552 (11)
2011#906 (223)——#1,326 (14)

The tide so far

  • Peaked in the US in 1918 at #307.
  • Holding steady over the last five years.
  • In the US records since the data begins in 1880.

How common is it?

about 1 in 5,400 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 5,400uncommon
England & WalesBoys2025about 1 in 16,000rare
CanadaBoys2025about 1 in 6,100uncommon

Next year

On its recent trend, Thaddeus is likely to keep falling in the US in 2026: about 1 in 5,700 baby boys. Likely range 1 in 4,900 to 1 in 6,700.

Estimate, not an official figure. How we estimate.

Across the US

Thaddeus by state, 2025Alaska: fewer than 5 babiesAKMaine: fewer than 5 babiesMEWisconsin: #785WIVermont: fewer than 5 babiesVTNew Hampshire: fewer than 5 babiesNHWashington: #737WAIdaho: #435IDMontana: fewer than 5 babiesMTNorth Dakota: fewer than 5 babiesNDMinnesota: #586MNIllinois: #870ILMichigan: #679MINew York: fewer than 5 babiesNYMassachusetts: fewer than 5 babiesMAOregon: #529ORNevada: fewer than 5 babiesNVWyoming: fewer than 5 babiesWYSouth Dakota: fewer than 5 babiesSDIowa: #571IAIndiana: #545INOhio: #627OHPennsylvania: #506PANew Jersey: #655NJConnecticut: fewer than 5 babiesCTRhode Island: fewer than 5 babiesRICalifornia: #1,197CAUtah: #561UTColorado: #468CONebraska: #377NEMissouri: #709MOKentucky: #708KYWest Virginia: fewer than 5 babiesWVVirginia: #587VAMaryland: fewer than 5 babiesMDDelaware: fewer than 5 babiesDEArizona: #720AZNew Mexico: fewer than 5 babiesNMKansas: #428KSArkansas: fewer than 5 babiesARTennessee: #777TNNorth Carolina: #718NCSouth Carolina: #743SCDistrict of Columbia: fewer than 5 babiesDCOklahoma: #504OKLouisiana: fewer than 5 babiesLAMississippi: fewer than 5 babiesMSAlabama: fewer than 5 babiesALGeorgia: #853GAHawaii: fewer than 5 babiesHITexas: #937TXFlorida: #1,009FL
Thaddeus (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#1,5176

Thaddeus (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
ThaddeusCanadaBoys#98126
ThaddeusEngland & WalesBoys#1,53817
ThaddeusIrelandBoys—too few
ThaddeusNorthern IrelandBoys—too few
ThaddeusUSGirls—too few
ThaddeusUSBoys#797314