Mattias is a distinctive boys' name in United States, ranking #1769 in 2012 with 85 recorded births. The name reached its all-time peak in 2021 with 184 births ranking #1114. Since 1996, the popularity has increased by 400.0%. In 2012, approximately 1 in every 22,313 boys born was named Mattias. STABLE Recent data shows the name is currently stable.