Kennett is a distinctive boys' name in United States, ranking #9461 in 2008 with 8 recorded births. This places Kennett in the bottom 35% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2008 with 8 births ranking #9461. In 2008, approximately 1 in every 254,993 boys born was named Kennett. STABLE Recent data shows the name is currently stable.