Llewellyn vs Llewelyn

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

Name A

Llewellyn

Boy name · Rank #6450

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Name B

Llewelyn

Boy name · Rank #4430

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Metric Llewellyn Llewelyn
Current Rank #6450 #4430
Total Births (all years) 3,398 160
Peak Year 1916 2024
Peak Year Births 69 23
Peak Decade 1920ss 2020ss
Gender Boy Boy
First Recorded Year 1880 1916

Births by Decade

Decade Llewellyn Llewelyn
1880ss 72
1890ss 84
1900ss 64
1910ss 452 13
1920ss 566 20
1930ss 407
1940ss 369
1950ss 421 22
1960ss 326 7
1970ss 232 15
1980ss 159
1990ss 73
2000ss 36
2010ss 81 18
2020ss 56 65

Recent Annual Births (2014–present)

Year Llewellyn Llewelyn
2014 7
2015 8 5
2016 7
2017 10
2018 7 6
2019 8 7
2020 13 6
2021 13 10
2022 7 13
2023 10 13
2024 13 23

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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