Mattias is a distinctive boys' name in United States, ranking #1869 in 2009 with 78 recorded births. The name reached its all-time peak in 2021 with 184 births ranking #1114. Since 1996, the popularity has increased by 358.8%. In 2009, approximately 1 in every 25,427 boys born was named Mattias. STABLE Recent data shows the name is currently stable.