Thelbert vs Theo

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

Name A

Thelbert

Boy name

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Name B

Theo

Boy name · Rank #80

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Which name is more popular?

Metric Thelbert Theo
Current Rank Unranked #80
Total Births (all years) 931 31,858
Peak Year 1921 2023
Peak Year Births 32 4,137
Peak Decade 1920ss 2020ss
Gender Boy Boy
First Recorded Year 1908 1880

Births by Decade

Decade Thelbert Theo
1880ss — 93
1890ss — 118
1900ss 10 226
1910ss 153 714
1920ss 230 980
1930ss 216 680
1940ss 157 440
1950ss 91 371
1960ss 38 322
1970ss 19 386
1980ss 17 540
1990ss — 600
2000ss — 1,386
2010ss — 8,188
2020ss — 16,814

Recent Annual Births (2014–present)

Year Thelbert Theo
2014 — 550
2015 — 765
2016 — 952
2017 — 1,232
2018 — 1,554
2019 — 2,018
2020 — 2,225
2021 — 2,703
2022 — 3,639
2023 — 4,137
2024 — 4,110

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, 1908–1985.

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