NameTides

Thea

Thea was the #353 girls' name in the US in 2025 (867 babies), and #66 in England & Wales and #186 in Canada.

Thea as a girl’s name

  • US
  • England & Wales
  • Scotland
  • Northern Ireland
  • Ireland
  • Canada
  • NSW
Thea as a girl’s name, US, England & Wales, Scotland, Northern Ireland, Ireland, Canada, NSWBabies 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.02.557.51018801900192019401960198020002020ScotlandNorthern IrelandEngland & WalesCanadaIrelandUS
Thea as a girl’s name, US, England & Wales, Scotland, Northern Ireland, Ireland, Canada, NSWBabies 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.02.557.5101880192019602000
Babies per 1,000 of the same sex in each published list. New South Wales publishes its top 100 only, so it appears 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 IrelandIrelandCanadaNSW
2025#353 (867)#66 (686)#69 (60)#96 (21)#207 (21)#186 (158)—
2024#348 (897)#66 (686)#65 (66)#75 (27)#191 (23)#177 (158)—
2023#320 (974)#63 (716)#80 (52)#72 (28)#168 (28)#174 (153)#95 (73)
2022#300 (1,066)#64 (768)#64 (66)#58 (38)#168 (31)#189 (150)#90 (77)
2021#314 (1,033)#53 (917)#61 (75)#68 (32)#136 (37)#176 (165)—
2020#302 (1,071)#57 (858)#63 (67)#68 (32)#246 (18)#180 (156)—
2019#293 (1,142)#46 (1,052)#62 (75)#40 (50)#221 (22)#142 (199)—
2018#273 (1,209)#59 (920)#59 (77)#69 (34)#218 (22)#174 (169)#81 (87)
2017#268 (1,193)#53 (1,041)#56 (88)#49 (44)#189 (27)#132 (216)—
2016#291 (1,121)#49 (1,132)#61 (86)#42 (54)#187 (27)#136 (219)#91 (79)
2015#463 (688)#58 (1,020)#72 (72)#123 (19)#244 (21)#180 (175)—
2014#768 (364)#79 (678)#141 (35)#106 (23)#229 (22)#295 (112)—
2013#1,133 (213)#121 (463)#127 (37)#178 (11)#587 (6)#422 (76)—
2012#1,279 (187)#225 (222)#335 (12)#451 (3)#435 (10)#459 (67)—
2011#1,515 (146)#235 (212)#220 (20)#207 (9)#393 (12)#480 (66)—

The tide so far

  • Peaked in the US in 2018 at #273.
  • Holding steady over the last five years.
  • In the US records since the data begins in 1880.

How common is it?

about 1 in 1,900 baby girls in the published US list for 2025.

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

How common, country by country

WhereSexLatest yearShareVerdict
USGirls2025about 1 in 1,900uncommon
England & WalesGirls2025about 1 in 370common
ScotlandGirls2025about 1 in 300common
Northern IrelandGirls2025about 1 in 350common
IrelandGirls2025about 1 in 1,000uncommon
CanadaGirls2025about 1 in 950common

Next year

On its recent trend, Thea is likely to hold steady in the US in 2026: about 1 in 1,900 baby girls. Likely range 1 in 1,800 to 1 in 2,100.

Estimate, not an official figure. How we estimate.

Across the US

Thea by state, 2025Alaska: fewer than 5 babiesAKMaine: #153MEWisconsin: #201WIVermont: fewer than 5 babiesVTNew Hampshire: #236NHWashington: #239WAIdaho: #277IDMontana: #208MTNorth Dakota: #162NDMinnesota: #162MNIllinois: #231ILMichigan: #275MINew York: #343NYMassachusetts: #245MAOregon: #483ORNevada: fewer than 5 babiesNVWyoming: fewer than 5 babiesWYSouth Dakota: fewer than 5 babiesSDIowa: #226IAIndiana: #243INOhio: #225OHPennsylvania: #349PANew Jersey: #372NJConnecticut: #280CTRhode Island: fewer than 5 babiesRICalifornia: #556CAUtah: #231UTColorado: #298CONebraska: #120NEMissouri: #299MOKentucky: #286KYWest Virginia: #308WVVirginia: #222VAMaryland: #651MDDelaware: fewer than 5 babiesDEArizona: #546AZNew Mexico: fewer than 5 babiesNMKansas: #256KSArkansas: fewer than 5 babiesARTennessee: #349TNNorth Carolina: #453NCSouth Carolina: #773SCDistrict of Columbia: #119DCOklahoma: #546OKLouisiana: #426LAMississippi: fewer than 5 babiesMSAlabama: #391ALGeorgia: #560GAHawaii: fewer than 5 babiesHITexas: #742TXFlorida: #531FL
Thea (girls) 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
Quebec2025#13143
Ontario2024#25050

Thea (girls): 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
TheaCanadaGirls#186158
TheaEngland & WalesGirls#66686
TheaIrelandGirls#20721
ThéaIrelandGirls—too few
TheaNorthern IrelandGirls#9621
TheaNSWGirls—too few
TheaScotlandGirls#6960
TheaUSGirls#353867
TheaUSBoys—too few