Cletus is a distinctive boys' name in United States, ranking #9833 in 2014 with 7 recorded births. This places Cletus in the bottom 30% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1999 with 12 births ranking #5366. Since 1996, the popularity has decreased by 30.0%. In 2014, approximately 1 in every 274,348 boys born was named Cletus. STABLE Recent data shows the name is currently stable.