Mathieu is a distinctive boys' name in United States, ranking #1718 in 1997 with 57 recorded births. The name reached its all-time peak in 2000 with 77 births ranking #1562. Since 1996, the popularity has increased by 23.9%. In 1997, approximately 1 in every 33,072 boys born was named Mathieu. FALLING Recent data shows the name is currently falling.