Mathieu is a distinctive boys' name in United States, ranking #2379 in 2016 with 55 recorded births. The name reached its all-time peak in 2000 with 77 births ranking #1562. Since 1996, the popularity has increased by 19.6%. In 2016, approximately 1 in every 34,495 boys born was named Mathieu. FALLING Recent data shows the name is currently falling.