Kennith is a distinctive boys' name in United States, ranking #1661 in 1997 with 60 recorded births. The name reached its all-time peak in 1997 with 60 births ranking #1661. Since 1996, the popularity has increased by 13.2%. In 1997, approximately 1 in every 31,418 boys born was named Kennith. FALLING Recent data shows the name is currently falling.