Mathieu is a distinctive boys' name in United States, ranking #1527 in 1999 with 74 recorded births. The name reached its all-time peak in 2000 with 77 births ranking #1562. Since 1996, the popularity has increased by 60.9%. In 1999, approximately 1 in every 25,947 boys born was named Mathieu. FALLING Recent data shows the name is currently falling.