Kennith is a distinctive boys' name in United States, ranking #2425 in 1998 with 36 recorded births. The name reached its all-time peak in 1997 with 60 births ranking #1661. Since 1996, the popularity has decreased by 32.1%. In 1998, approximately 1 in every 53,092 boys born was named Kennith. FALLING Recent data shows the name is currently falling.