Willian is a distinctive boys' name in United States, ranking #4011 in 1998 with 18 recorded births. The name reached its all-time peak in 2011 with 38 births ranking #3043. Since 1996, the popularity has increased by 20.0%. In 1998, approximately 1 in every 106,184 boys born was named Willian. STABLE Recent data shows the name is currently stable.