Willis is a distinctive boys' name in United States, ranking #1841 in 2014 with 81 recorded births. The name reached its all-time peak in 1996 with 113 births ranking #1078. Since 1996, the popularity has decreased by 28.3%. In 2014, approximately 1 in every 23,709 boys born was named Willis. FALLING Recent data shows the name is currently falling.