Mcclain is a distinctive boys' name in United States, ranking #5180 in 2023 with 19 recorded births. The name reached its all-time peak in 2022 with 21 births ranking #4799. Since 1996, the popularity has increased by 90.0%. In 2023, approximately 1 in every 89,924 boys born was named Mcclain. STABLE Recent data shows the name is currently stable.