Mckennon is a distinctive boys' name in United States, ranking #8772 in 2008 with 9 recorded births. The name reached its all-time peak in 2010 with 14 births ranking #6260. Since 1996, the popularity has increased by 50.0%. In 2008, approximately 1 in every 226,661 boys born was named Mckennon. FALLING Recent data shows the name is currently falling.