Willian vs William

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

Name A

Willian

Boy name · Rank #5662

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Name B

William

Boy name · Rank #10

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Which name is more popular?

Metric Willian William
Current Rank #5662 #10
Total Births (all years) 4,074 4,199,696
Peak Year 1929 1947
Peak Year Births 84 67,002
Peak Decade 1920s 1950s
Gender Boy Boy
First Recorded Year 1880 1880

Births by Decade

Decade Willian William
1880s 81 84,881
1890s 46 72,244
1900s 29 69,320
1910s 194 303,017
1920s 597 512,402
1930s 560 416,730
1940s 555 556,478
1950s 415 591,228
1960s 416 421,433
1970s 240 283,401
1980s 225 248,277
1990s 138 217,822
2000s 232 194,415
2010s 243 159,981
2020s 103 68,067

Recent Annual Births (2014–present)

Year Willian William
2014 19 16,851
2015 21 15,950
2016 22 15,810
2017 16 15,046
2018 27 14,646
2019 18 13,658
2020 13 12,676
2021 17 12,170
2022 17 11,356
2023 20 10,673
2024 16 10,647
2025 20 10,545

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, 1880–2025.

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