Willian is a distinctive boys' name in United States, ranking #3623 in 2003 with 25 recorded births. The name reached its all-time peak in 2011 with 38 births ranking #3043. Since 1996, the popularity has increased by 66.7%. In 2003, approximately 1 in every 79,011 boys born was named Willian. STABLE Recent data shows the name is currently stable.