Mattias is a distinctive boys' name in United States, ranking #1167 in 2023 with 177 recorded births. The name reached its all-time peak in 2021 with 184 births ranking #1114. Since 1996, the popularity has increased by 941.2%. In 2023, approximately 1 in every 9,653 boys born was named Mattias. STABLE Recent data shows the name is currently stable.