Kennith is a distinctive boys' name in United States, ranking #4512 in 2009 with 22 recorded births. The name reached its all-time peak in 1997 with 60 births ranking #1661. Since 1996, the popularity has decreased by 58.5%. In 2009, approximately 1 in every 90,150 boys born was named Kennith. FALLING Recent data shows the name is currently falling.