Mattias is a distinctive boys' name in United States, ranking #1841 in 2013 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 2013, approximately 1 in every 24,247 boys born was named Mattias. STABLE Recent data shows the name is currently stable.