Mckenly is a distinctive girls' name in United States, ranking #18602 in 2011 with 5 recorded births. This places Mckenly in the bottom 5% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2013 with 9 births ranking #11646. In 2011, approximately 1 in every 351,761 girls born was named Mckenly. FALLING Recent data shows the name is currently falling.