Mathieu is a distinctive boys' name in United States, ranking #2845 in 2021 with 44 recorded births. This places Mathieu in the top 20% 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 77 births ranking #1562. In 2021, approximately 1 in every 39,733 boys born was named Mathieu. FALLING Recent data shows the name is currently falling.