Mathieu is a distinctive boys' name in United States, ranking #3114 in 2010 with 37 recorded births. The name reached its all-time peak in 2000 with 77 births ranking #1562. Since 1996, the popularity has decreased by 19.6%. In 2010, approximately 1 in every 51,849 boys born was named Mathieu. FALLING Recent data shows the name is currently falling.