Thelonious vs Theodore

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

Name A

Thelonious

Boy name · Rank #5704

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Name B

Theodore

Boy name · Rank #4

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Which name is more popular?

Metric Thelonious Theodore
Current Rank #5704 #4
Total Births (all years) 455 303,761
Peak Year 2017 2024
Peak Year Births 23 12,011
Peak Decade 2010ss 2020ss
Gender Boy Boy
First Recorded Year 1960 1880

Births by Decade

Decade Thelonious Theodore
1880ss — 2,176
1890ss — 2,300
1900ss — 6,490
1910ss — 21,106
1920ss — 31,287
1930ss — 24,957
1940ss — 26,248
1950ss — 29,049
1960ss 37 21,286
1970ss 24 13,570
1980ss 14 11,959
1990ss 36 10,109
2000ss 90 10,556
2010ss 170 40,525
2020ss 84 52,143

Recent Annual Births (2014–present)

Year Thelonious Theodore
2014 16 3,228
2015 21 4,155
2016 20 4,910
2017 23 5,970
2018 20 7,088
2019 14 7,894
2020 16 8,637
2021 23 9,597
2022 17 10,814
2023 12 11,084
2024 16 12,011

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, 1960–2024.

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