Thea vs Theresa

Side-by-side comparison of Thea and Theresa — popularity rank, total births, peak decade, and historical trends from Social Security Administration data.

Name A

Thea

Girl name · Rank #348

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Name B

Theresa

Girl name · Rank #1492

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Which name is more popular?

Metric Thea Theresa
Current Rank #348 #1492
Total Births (all years) 19,237 404,471
Peak Year 2018 1961
Peak Year Births 1,208 11,959
Peak Decade 2010ss 1960ss
Gender Girl Girl
First Recorded Year 1880 1880

Births by Decade

Decade Thea Theresa
1880ss 86 2,505
1890ss 105 4,730
1900ss 87 6,396
1910ss 157 18,348
1920ss 254 36,667
1930ss 207 32,785
1940ss 431 35,790
1950ss 1,027 89,605
1960ss 1,099 97,115
1970ss 1,009 40,078
1980ss 1,022 22,390
1990ss 952 10,591
2000ss 1,362 4,554
2010ss 6,406 2,196
2020ss 5,033 721

Recent Annual Births (2014–present)

Year Thea Theresa
2014 364 225
2015 688 210
2016 1,121 209
2017 1,192 219
2018 1,208 224
2019 1,142 184
2020 1,069 156
2021 1,033 150
2022 1,065 148
2023 973 122
2024 893 145

Data Sources

Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, ssa.gov/oact/babynames.
Source: SSA Annual Name Rankings, 1880–2024.

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