Marcos is a moderately popular boys' name in United States, ranking #432 in 2018 with 705 recorded births. This places Marcos in the top 3% of ranked US boys' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 2001 with 1,415 births ranking #240. Since 1996, the popularity has decreased by 47.8%. In 2018, approximately 1 in every 2,575 boys born was named Marcos. STABLE Recent data shows the name is currently stable.