Willian is a distinctive boys' name in United States, ranking #6598 in 2020 with 13 recorded births. The name reached its all-time peak in 2011 with 38 births ranking #3043. Since 1996, the popularity has decreased by 13.3%. In 2020, approximately 1 in every 132,697 boys born was named Willian. STABLE Recent data shows the name is currently stable.