Mcclain is a distinctive boys' name in United States, ranking #4982 in 2025 with 20 recorded births. This places Mcclain in the top 36% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2022 with 21 births ranking #4799. Since 1996, the popularity has increased by 100.0%. In 2025, approximately 1 in every 85,404 boys born was named Mcclain. STABLE Recent data shows the name is currently stable.