Mckay is a distinctive boys' name in United States, ranking #1462 in 1997 with 74 recorded births. The name reached its all-time peak in 1996 with 84 births ranking #1312. Since 1996, the popularity has decreased by 11.9%. In 1997, approximately 1 in every 25,474 boys born was named Mckay. STABLE Recent data shows the name is currently stable.