Mathayus is a distinctive boys' name in United States, ranking #4744 in 2019 with 21 recorded births. This places Mathayus in the top 34% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2019 with 21 births ranking #4744. In 2019, approximately 1 in every 85,398 boys born was named Mathayus. STABLE Recent data shows the name is currently stable.