Mckoy is a distinctive boys' name in United States, ranking #6202 in 2012 with 14 recorded births. This places Mckoy in the top 44% 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 22 births ranking #4572. In 2012, approximately 1 in every 135,473 boys born was named Mckoy. STABLE Recent data shows the name is currently stable.