Mathieu is a distinctive boys' name in United States, ranking #3229 in 2017 with 36 recorded births. The name reached its all-time peak in 2000 with 77 births ranking #1562. Since 1996, the popularity has decreased by 21.7%. In 2017, approximately 1 in every 51,398 boys born was named Mathieu. FALLING Recent data shows the name is currently falling.