Willian is a distinctive boys' name in United States, ranking #5054 in 2014 with 19 recorded births. The name reached its all-time peak in 2011 with 38 births ranking #3043. Since 1996, the popularity has increased by 26.7%. In 2014, approximately 1 in every 101,076 boys born was named Willian. STABLE Recent data shows the name is currently stable.