Willian is a distinctive boys' name in United States, ranking #4665 in 2001 with 17 recorded births. The name reached its all-time peak in 2011 with 38 births ranking #3043. Since 1996, the popularity has increased by 13.3%. In 2001, approximately 1 in every 114,284 boys born was named Willian. STABLE Recent data shows the name is currently stable.