Mattias is a distinctive boys' name in United States, ranking #1766 in 2007 with 84 recorded births. The name reached its all-time peak in 2021 with 184 births ranking #1114. Since 1996, the popularity has increased by 394.1%. In 2007, approximately 1 in every 24,705 boys born was named Mattias. STABLE Recent data shows the name is currently stable.