Willian is a distinctive boys' name in United States, ranking #3632 in 2009 with 30 recorded births. The name reached its all-time peak in 2011 with 38 births ranking #3043. Since 1996, the popularity has increased by 100.0%. In 2009, approximately 1 in every 66,110 boys born was named Willian. STABLE Recent data shows the name is currently stable.