Kennith is a distinctive boys' name in United States, ranking #3843 in 2012 with 27 recorded births. The name reached its all-time peak in 1997 with 60 births ranking #1661. Since 1996, the popularity has decreased by 49.1%. In 2012, approximately 1 in every 70,245 boys born was named Kennith. FALLING Recent data shows the name is currently falling.