Mckay is a distinctive boys' name in United States, ranking #1632 in 2002 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 2002, approximately 1 in every 26,236 boys born was named Mckay. STABLE Recent data shows the name is currently stable.