Mathieu is a distinctive boys' name in United States, ranking #2977 in 2018 with 40 recorded births. The name reached its all-time peak in 2000 with 77 births ranking #1562. Since 1996, the popularity has decreased by 13.0%. In 2018, approximately 1 in every 45,387 boys born was named Mathieu. FALLING Recent data shows the name is currently falling.