Mathieu is a distinctive boys' name in United States, ranking #3462 in 2019 with 33 recorded births. The name reached its all-time peak in 2000 with 77 births ranking #1562. Since 1996, the popularity has decreased by 28.3%. In 2019, approximately 1 in every 54,344 boys born was named Mathieu. FALLING Recent data shows the name is currently falling.