Willian
Willian was the 5033rd most popular name for boys in 2025, given to 20 babies. Its best year was 1890, when it ranked 601st; the most babies were born in 1929 (84). Over the last ten years it has moved down 331 places. More babies were named Willian in the 1920s than in any other decade.
Meaning Not yet researched how we research meanings
- Rank in 2025
- #5,033 boys, up 1,569 places since 2020
- Babies in 2025
- 20boys
- Girls and boys
- Almost always a boy’s name2021–2025
- Peak year
- 192984 babies
- Total since 1880
- 4,092babies recorded
Willian popularity since 1880
A few girls are given the name too: 18 since 1924.
| Year | Rank (boys) | Babies (boys) |
|---|---|---|
| 2025 | #5,033 | 20 |
| 2020 | #6,602 | 13 |
| 2010 | #3,180 | 36 |
| 2000 | #5,291 | 14 |
| 1990 | #3,460 | 18 |
| 1980 | #1,807 | 32 |
| 1970 | #1,336 | 40 |
| 1960 | #1,293 | 38 |
| 1950 | #1,085 | 43 |
| 1940 | #809 | 60 |
| 1930 | #743 | 74 |
| 1920 | #1,072 | 44 |
| 1910 | — | — |
| 1900 | #1,303 | 6 |
| 1890 | #601 | 12 |
| 1880 | #906 | 6 |
How popular is Willian, counting every spelling?
Willian is the most common spelling of a name family that had 27 boys in 2025 across its spellings. Together these spellings went to 27 boys in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Willian | 20 | #5,033 | 90 |
| Wilian | 7 | #10,617 | 39 |
Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.
How many kids will share the name Willian?
20 of the 3,606,400 babies born in the US in 2025 were named Willian (0.01 per 1,000 births). For a boy named Willian born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 423 (of 430 pupils) would have a child named Willian.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Willian?
About 2,000 people born in the US named Willian are alive today, with a median age of 52; half are between 23 and 69. That makes Willian mostly worn by adults in their thirties to fifties. The wide spread shows a name popular in two different eras.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Names with a similar history
These names rose and fell in step with Willian: their share of US boys followed the most similar curve since 1880. If you like Willian, they share its era and feel.
Questions about the name Willian
How popular is the name Willian?
Willian was the 5033rd most popular name for boys in 2025, given to 20 babies. Its best year was 1890, when it ranked 601st; the most babies were born in 1929 (84). Over the last ten years it has moved down 331 places. More babies were named Willian in the 1920s than in any other decade.
Is Willian a boy or girl name?
In 2021–2025, almost always a boy’s name given the name Willian in the US.