Kennith is a distinctive boys' name in United States, ranking #2408 in 2000 with 40 recorded births. The name reached its all-time peak in 1997 with 60 births ranking #1661. Since 1996, the popularity has decreased by 24.5%. In 2000, approximately 1 in every 49,098 boys born was named Kennith. FALLING Recent data shows the name is currently falling.