Willian is a distinctive boys' name in United States, ranking #5328 in 2019 with 18 recorded births. This places Willian in the top 38% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2011 with 38 births ranking #3043. Since 1996, the popularity has increased by 20.0%. In 2019, approximately 1 in every 99,631 boys born was named Willian. STABLE Recent data shows the name is currently stable.