Sinclair vs Sincere

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

Name A

Sinclair

Boy name · Rank #6469

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Name B

Sincere

Boy name · Rank #604

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Which name is more popular?

Metric Sinclair Sincere
Current Rank #6469 #604
Total Births (all years) 1,421 9,642
Peak Year 1924 2022
Peak Year Births 29 545
Peak Decade 1920ss 2010ss
Gender Boy Boy
First Recorded Year 1900 1976

Births by Decade

Decade Sinclair Sincere
1900ss 13 —
1910ss 124 —
1920ss 198 —
1930ss 156 —
1940ss 120 —
1950ss 168 —
1960ss 105 —
1970ss 111 5
1980ss 164 —
1990ss 105 189
2000ss 41 2,899
2010ss 74 4,138
2020ss 42 2,411

Recent Annual Births (2014–present)

Year Sinclair Sincere
2014 — 428
2015 10 426
2016 12 408
2017 10 480
2018 7 464
2019 7 452
2020 9 455
2021 8 461
2022 7 545
2023 5 479
2024 13 471

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, 1900–2024.

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