Willian is a distinctive boys' name in United States, ranking #6595 in 1997 with 9 recorded births. The name reached its all-time peak in 2011 with 38 births ranking #3043. Since 1996, the popularity has decreased by 40.0%. In 1997, approximately 1 in every 209,454 boys born was named Willian. STABLE Recent data shows the name is currently stable.