Kleber is a distinctive boys' name in United States, ranking #11910 in 2008 with 6 recorded births. This places Kleber in the bottom 19% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2006 with 35 births ranking #3128. In 2008, approximately 1 in every 339,991 boys born was named Kleber. FALLING Recent data shows the name is currently falling.