Mattias is a distinctive boys' name in United States, ranking #2162 in 2010 with 62 recorded births. The name reached its all-time peak in 2021 with 184 births ranking #1114. Since 1996, the popularity has increased by 264.7%. In 2010, approximately 1 in every 30,942 boys born was named Mattias. STABLE Recent data shows the name is currently stable.