Mccain is a distinctive boys' name in United States, ranking #7632 in 2003 with 9 recorded births. This places Mccain in the bottom 40% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2000 with 10 births ranking #6665. In 2003, approximately 1 in every 219,474 boys born was named Mccain. FALLING Recent data shows the name is currently falling.