Thedore vs Theo

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

Name A

Thedore

Boy name

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Name B

Theo

Boy name · Rank #80

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Which name is more popular?

Metric Thedore Theo
Current Rank Unranked #80
Total Births (all years) 1,136 35,830
Peak Year 1929 2023
Peak Year Births 34 4,140
Peak Decade 1920s 2020s
Gender Boy Boy
First Recorded Year 1902 1880

Births by Decade

Decade Thedore Theo
1880s - 93
1890s - 118
1900s 63 226
1910s 151 714
1920s 242 980
1930s 215 680
1940s 177 440
1950s 152 371
1960s 80 323
1970s 33 386
1980s 17 540
1990s - 600
2000s - 1,386
2010s - 8,189
2020s 6 20,784

Recent Annual Births (2014–present)

Year Thedore Theo
2014 - 550
2015 - 765
2016 - 952
2017 - 1,232
2018 - 1,554
2019 - 2,018
2020 - 2,225
2021 - 2,703
2022 6 3,642
2023 - 4,140
2024 - 4,129
2025 - 3,945

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, 1902–2022.

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