How rare is the name Willian?

9,695 people in the United States have the first name Willian, about 1 in 31,153. It ranks #2,510 of 53,615 first names in the 2020 Census.

first name

WILLIAN

#2,510

of 53,615 first names recorded in the 2020 Census

People
9,695
About
1 in 31,153
This common or more
80%
Who bears it

Of the 9,695 people named Willian, 67.4% reported their origin as White, 22.4% as Hispanic or Latino and 6.5% as Black. Virtually all are male (99.6%). These count how people described themselves on the 2020 Census, not where the name comes from.

Willian peaked in 1929, when 84 babies got the name.

Births per year, SSA records 1880–2025
18802025
Peak year
1929
Births that year
84
In 2025*
20 ▼76%
Recorded as
almost entirely male

At least 4,092 babies have been given the name since 1880. Years SSA withheld, because fewer than 5 were born, are skipped rather than drawn as zero. * 2025 is the newest year published and it undercounts: a card application is filed some time after a birth.

Willian by decade

Among all names given to American babies, its best decade was the 1880s, when it ranked #1,397. The largest share of babies named Willian, 26.7%, were born between 1928 and 1945, the Silent Generation's birth years.

1880s#1,39781
1890s#2,24946
1900s#3,21629
1910s#2,711194
1920s#1,749610
1930s#1,707560
1940s#1,938555
1950s#2,652415
1960s#2,876416
1970s#4,688245
1980s#5,880225
1990s#10,464138
2000s#9,089232
2010s#9,260243
2020s#11,391103
Before 19013.3%
Greatest Generation 1901–2716.6%
Silent Generation 1928–4526.7%
Baby boom 1946–6419.8%
Generation X 1965–8011.4%
Millennials 1981–967.1%
Generation Z 1997–129%
2013 and later6.1%

Rank counts both sexes together, among every name SSA recorded that decade; the number under it is births. The 2020s run only to 2025. Generation years follow Pew Research Center, which has not named a generation after 2012.

Either side of Willian

#2,507 Mimi · 9,711#2,509 Karli · 9,703#2,511 Zainab · 9,692#2,512 Cecile · 9,689

Spelled almost the same

8 first names in the 2020 Census spelled within a letter or two of Willian, most common first.

#6 William · 2,240,114#3,287 Willam · 6,497#4,602 Wiliam · 3,993#9,801 Willliam · 1,396#14,117 Willim · 841#14,151 Wilian · 838#27,021 Willma · 341#29,690 Williiam · 297

Also a last name

As a last name, Willian ranks #66,670 of 156,621, with 320 people. See Willian as a last name

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