Sincere vs Sinclair

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

Name A

Sincere

Boy name · Rank #604

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Name B

Sinclair

Boy name · Rank #6469

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Which name is more popular?

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

Births by Decade

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

Recent Annual Births (2014–present)

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

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, 1976–2024.

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