Kennith is a distinctive boys' name in United States, ranking #5080 in 2013 with 18 recorded births. The name reached its all-time peak in 1997 with 60 births ranking #1661. Since 1996, the popularity has decreased by 66.0%. In 2013, approximately 1 in every 105,070 boys born was named Kennith. FALLING Recent data shows the name is currently falling.