Mathieu is a distinctive boys' name in United States, ranking #2116 in 2003 with 53 recorded births. The name reached its all-time peak in 2000 with 77 births ranking #1562. Since 1996, the popularity has increased by 15.2%. In 2003, approximately 1 in every 37,269 boys born was named Mathieu. FALLING Recent data shows the name is currently falling.