Mattias is a distinctive boys' name in United States, ranking #1381 in 2018 with 128 recorded births. The name reached its all-time peak in 2021 with 184 births ranking #1114. Since 1996, the popularity has increased by 652.9%. In 2018, approximately 1 in every 14,183 boys born was named Mattias. STABLE Recent data shows the name is currently stable.