Theodore

Theodore was the #4 boys' name in the US in 2025 (13,355 babies), and #9 in England & Wales and #2 in Canada.

Theodore as a boy’s name

  • US
  • England & Wales
  • Scotland
  • Northern Ireland
  • Ireland
  • Canada
  • NSW
  • VIC
Theodore as a boy’s name, US, England & Wales, Scotland, Northern Ireland, Ireland, Canada, NSW, VICBabies 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.0510152018801900192019401960198020002020CanadaEngland & WalesUSNorthern IrelandScotlandIreland
Theodore as a boy’s name, US, England & Wales, Scotland, Northern Ireland, Ireland, Canada, NSW, VICBabies 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. New South Wales and Victoria publish their top 100 only, so they appear in the rank view and only in years the name made the top 100. Breaks in a line are years with too few babies to be published.
Show the numbers
YearUSEngland & WalesScotlandNorthern IrelandIrelandCanadaNSWVIC
2025#4 (13,355)#9 (2,638)#39 (102)#40 (49)#44 (115)#2 (1,629)#3 (440)#5 (350)
2024#4 (12,069)#8 (2,761)#36 (108)#32 (55)#56 (102)#3 (1,434)#3 (442)#4 (348)
2023#7 (11,093)#8 (2,666)#52 (94)#47 (49)#66 (94)#3 (1,482)#5 (400)#14 (264)
2022#10 (10,824)#8 (2,835)#49 (100)#57 (48)#55 (114)#5 (1,436)#5 (404)#8 (326)
2021#10 (9,600)#11 (2,889)#78 (73)#50 (55)#72 (96)#6 (1,457)#8 (378)#14 (264)
2020#23 (8,638)#14 (2,737)#50 (99)#57 (48)#66 (100)#12 (1,231)#15 (313)#17 (246)
2019#36 (7,896)#18 (2,663)#78 (81)#84 (38)#72 (92)#15 (1,169)#17 (292)#24 (229)
2018#44 (7,088)#29 (1,932)#130 (47)#141 (17)#93 (70)#20 (1,021)#23 (271)#33 (179)
2017#61 (5,973)#38 (1,761)#136 (43)#105 (27)#156 (38)#27 (819)#37 (213)#43 (144)
2016#83 (4,910)#42 (1,484)#165 (35)#166 (15)#209 (27)#42 (713)#46 (186)#74 (85)
2015#99 (4,155)#45 (1,302)#161 (36)#211 (10)#164 (38)#55 (593)#59 (166)#76 (81)
2014#126 (3,228)#59 (1,090)#196 (28)#184 (13)#226 (25)#75 (481)—#89 (72)
2013#167 (2,429)#78 (822)#280 (14)#343 (4)#282 (16)#115 (350)——
2012#194 (1,945)#97 (655)#252 (17)—#310 (14)#138 (282)——
2011#230 (1,573)#124 (505)#261 (15)#311 (4)#366 (11)#143 (265)——

The tide so far

  • Peaked in the US in 2025 at #4.
  • Rising over the last five years.
  • In the US records since the data begins in 1880.

How common is it?

about 1 in 130 baby boys in the published US list for 2025.

In a group of 1,000 children born that year, you would expect to meet about 8. How we work this out.

How common, country by country

WhereSexLatest yearShareVerdict
USBoys2025about 1 in 130very common
England & WalesBoys2025about 1 in 100very common
ScotlandBoys2025about 1 in 190very common
Northern IrelandBoys2025about 1 in 170very common
IrelandBoys2025about 1 in 210common
CanadaBoys2025about 1 in 98very common

Next year

On its recent trend, Theodore is likely to keep rising in the US in 2026: about 1 in 120 baby boys. Likely range 1 in 110 to 1 in 120.

Estimate, not an official figure. How we estimate.

Across the US

Theodore by state, 2025Alaska: #2AKMaine: #1MEWisconsin: #2WIVermont: #2VTNew Hampshire: #1NHWashington: #4WAIdaho: #2IDMontana: #4MTNorth Dakota: #2NDMinnesota: #1MNIllinois: #4ILMichigan: #1MINew York: #3NYMassachusetts: #4MAOregon: #2ORNevada: #17NVWyoming: #1WYSouth Dakota: #6SDIowa: #3IAIndiana: #3INOhio: #2OHPennsylvania: #3PANew Jersey: #8NJConnecticut: #3CTRhode Island: #4RICalifornia: #13CAUtah: #3UTColorado: #2CONebraska: #2NEMissouri: #2MOKentucky: #6KYWest Virginia: #9WVVirginia: #3VAMaryland: #4MDDelaware: #6DEArizona: #8AZNew Mexico: #13NMKansas: #1KSArkansas: #10ARTennessee: #7TNNorth Carolina: #8NCSouth Carolina: #9SCDistrict of Columbia: #2DCOklahoma: #4OKLouisiana: #13LAMississippi: #86MSAlabama: #15ALGeorgia: #9GAHawaii: #8HITexas: #26TXFlorida: #14FL
Theodore (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#3577
Quebec2025#11368

Theodore (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
TheodoreCanadaGirls—too few
TheodoreCanadaBoys#21,629
TheodoreEngland & WalesBoys#92,638
TheodoreIrelandBoys#44115
TheodoreNorthern IrelandBoys#4049
TheodoreNSWBoys#3440
TheodoreScotlandBoys#39102
TheodoreUSGirls#11,9327
TheodoreUSBoys#413,355
TheodoreVICBoys#5350