Mattias is a distinctive boys' name in United States, ranking #1761 in 2014 with 86 recorded births. The name reached its all-time peak in 2021 with 184 births ranking #1114. Since 1996, the popularity has increased by 405.9%. In 2014, approximately 1 in every 22,331 boys born was named Mattias. STABLE Recent data shows the name is currently stable.