Kennison is a distinctive girls' name in United States, ranking #15941 in 2012 with 6 recorded births. This places Kennison in the bottom 18% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2017 with 10 births ranking #10352. In 2012, approximately 1 in every 293,457 girls born was named Kennison. STABLE Recent data shows the name is currently stable.