Kenna is a distinctive boys' name in United States, ranking #10129 in 2015 with 7 recorded births. This places Kenna in the bottom 28% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2016 with 11 births ranking #7392. In 2015, approximately 1 in every 273,751 boys born was named Kenna. FALLING Recent data shows the name is currently falling.