The story of Willian
Willian is rare for boys in the United States, ranked #5,033 in 2025 with 20 babies given the name. It is currently holding steady compared with a decade ago.
Since 1880, 4,092 American babies have been named Willian. Its peak came in 1929, when 84 newborns received the name, the signature sound of the 1920s.
The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Willian stood among all boys' names in any year, or use the compare tool to plot it against other names.