Mckay is a distinctive boys' name in United States, ranking #2790 in 2019 with 45 recorded births. This places Mckay in the top 20% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1996 with 84 births ranking #1312. Since 1996, the popularity has decreased by 46.4%. In 2019, approximately 1 in every 39,852 boys born was named Mckay. STABLE Recent data shows the name is currently stable.