Unknown vs Unk

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

Name A

Unknown

Boy name · Rank #3149

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Name B

Unk

Boy name

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Which name is more popular?

Metric Unknown Unk
Current Rank #3149 Unranked
Total Births (all years) 9,827 37
Peak Year 1954 1995
Peak Year Births 549 9
Peak Decade 1950ss 1990ss
Gender Boy Boy
First Recorded Year 1880 1967

Births by Decade

Decade Unknown Unk
1880ss 51 —
1890ss 97 —
1900ss 98 —
1910ss 211 —
1920ss 149 —
1930ss 64 —
1940ss 711 —
1950ss 4,206 —
1960ss 762 5
1970ss 196 5
1980ss 443 —
1990ss 1,296 27
2000ss 412 —
2010ss 789 —
2020ss 342 —

Recent Annual Births (2014–present)

Year Unknown Unk
2014 78 —
2015 60 —
2016 50 —
2017 67 —
2018 85 —
2019 77 —
2020 60 —
2021 84 —
2022 83 —
2023 77 —
2024 38 —

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, 1880–2024.

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