Mathieu is a distinctive boys' name in United States, ranking #1693 in 2001 with 69 recorded births. The name reached its all-time peak in 2000 with 77 births ranking #1562. Since 1996, the popularity has increased by 50.0%. In 2001, approximately 1 in every 28,157 boys born was named Mathieu. FALLING Recent data shows the name is currently falling.