Mattias is a distinctive boys' name in United States, ranking #2281 in 2002 with 46 recorded births. The name reached its all-time peak in 2021 with 184 births ranking #1114. Since 1996, the popularity has increased by 170.6%. In 2002, approximately 1 in every 42,206 boys born was named Mattias. STABLE Recent data shows the name is currently stable.