Mathieu is a distinctive boys' name in United States, ranking #1736 in 2002 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 2002, approximately 1 in every 28,977 boys born was named Mathieu. FALLING Recent data shows the name is currently falling.