Unk vs Unknown

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

Name A

Unk

Boy name

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Name B

Unknown

Boy name · Rank #2919

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Which name is more popular?

Metric Unk Unknown
Current Rank Unranked #2919
Total Births (all years) 37 9,888
Peak Year 1995 1954
Peak Year Births 9 548
Peak Decade 1990s 1950s
Gender Boy Boy
First Recorded Year 1967 1880

Births by Decade

Decade Unk Unknown
1880s - 51
1890s - 97
1900s - 98
1910s - 211
1920s - 149
1930s - 64
1940s - 711
1950s - 4,206
1960s 5 762
1970s 5 196
1980s - 443
1990s 27 1,296
2000s - 413
2010s - 790
2020s - 401

Recent Annual Births (2014–present)

Year Unk Unknown
2014 - 79
2015 - 60
2016 - 50
2017 - 67
2018 - 85
2019 - 77
2020 - 61
2021 - 85
2022 - 85
2023 - 80
2024 - 43
2025 - 47

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, 1967–1998.

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