Willian is a distinctive boys' name in United States, ranking #4039 in 2002 with 21 recorded births. The name reached its all-time peak in 2011 with 38 births ranking #3043. Since 1996, the popularity has increased by 40.0%. In 2002, approximately 1 in every 92,451 boys born was named Willian. STABLE Recent data shows the name is currently stable.