Willis is a distinctive boys' name in United States, ranking #1828 in 2007 with 80 recorded births. The name reached its all-time peak in 1996 with 113 births ranking #1078. Since 1996, the popularity has decreased by 29.2%. In 2007, approximately 1 in every 25,940 boys born was named Willis. FALLING Recent data shows the name is currently falling.