Mattias is a distinctive boys' name in United States, ranking #1857 in 2008 with 79 recorded births. The name reached its all-time peak in 2021 with 184 births ranking #1114. Since 1996, the popularity has increased by 364.7%. In 2008, approximately 1 in every 25,822 boys born was named Mattias. STABLE Recent data shows the name is currently stable.