Wiliam Boy
How popular is Wiliam?
#6,442 boy name in 2025
13 baby boys were named Wiliam in the US in 2025, making it the 6442nd most popular boy name.
943living people named Wiliam (est.)
40median age of people named Wiliam
1,256babies named Wiliam since 1880
1 in 255,026US babies born in 2025
Wiliam popularity over time
| Rank in 2025 | #6,442 for boys (▲ 22 from 2024) |
|---|---|
| Babies in 2025 | 13 boys |
| 10-year trend | Steady (0% babies vs 2015) |
| Earlier ranks | #6,320 in 2015, #10,599 in 2020 |
| Peak year | 1982 (28 boys) |
| Highest rank | #865 in 1881 |
| First recorded | 1881 |
| Boys vs girls (last 10 years) | 100% boys, 0% girls |
| Chance a classmate shares it | 0.0% in a class of 25 kids born in 2025 |
Wiliam counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the William family of names ranked #12 for boys in 2025, with 10,565 babies in all.
| Spelling | Boys in 2025 | Share |
|---|---|---|
| William | 10,545 | 100% |
| Wiliam | 13 | 0% |
| Willliam | 7 | 0% |
Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.
Wiliam by decade
| Decade | Baby boys | Best rank |
|---|---|---|
| 1880s | 5 | #865 |
| 1910s | 43 | #1,884 |
| 1920s | 102 | #2,074 |
| 1930s | 54 | #2,393 |
| 1940s | 80 | #2,041 |
| 1950s | 98 | #2,054 |
| 1960s | 102 | #2,108 |
| 1970s | 159 | #1,986 |
| 1980s | 198 | #1,928 |
| 1990s | 115 | #3,461 |
| 2000s | 121 | #4,710 |
| 2010s | 125 | #5,197 |
| 2020s | 54 | #6,442 |
Boy names about as popular as Wiliam
Questions
- Is Wiliam a boy or girl name?
- Wiliam is mostly a boy name. Over the last 10 years, 100% of babies named Wiliam were boys.
- How popular is the name Wiliam?
- 13 baby boys were named Wiliam in the US in 2025, making it the 6442nd most popular boy name.
- When was Wiliam most popular?
- Wiliam peaked in 1982, when 28 boys were given the name. Its highest rank was #865 in 1881.
- How many people are named Wiliam?
- 1,256 babies have been named Wiliam in the US since 1880. We estimate about 943 of them are alive in 2026, with a median age of 40.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.