Mathieu is a distinctive boys' name in United States, ranking #1849 in 2004 with 67 recorded births. The name reached its all-time peak in 2000 with 77 births ranking #1562. Since 1996, the popularity has increased by 45.7%. In 2004, approximately 1 in every 29,624 boys born was named Mathieu. FALLING Recent data shows the name is currently falling.