Mattias is what Matthias looks like in Swedish, and what Matthew looked like before it got anglicized. Ranked #1144 with a peak in 2021 and 2,516 total SSA uses, it sits in the heart of the Scandinavian name revival that has been quietly reshaping American nurseries for a decade.
The Matthew Family's European Branch
Matthew, Matthias, Mattias, Mateus, Mateo are all regional forms of the same Hebrew name, Mattityahu, meaning "gift of God." Matthias was the apostle chosen to replace Judas Iscariot after the Crucifixion; his name appears in the Acts of the Apostles and has been in continuous use across the Christian world ever since. Mattias is specifically the Swedish and Finnish spelling, slightly shorter than the more familiar German Matthias, and considerably less common in the United States than the Spanish Mateo. It belongs among Swedish names that combine deep Christian heritage with Nordic character.
Why Mattias Over Matthew or Mateo?
Matthew is firmly mid-century American: a strong name with generational associations that some parents find slightly dated. Mateo has surged into the American Top 20 through Latin American immigration and is now widely familiar. Mattias occupies a middle ground: same meaning as both, more European than Matthew, less ubiquitous than Mateo, with a Scandinavian specificity that signals heritage without being obscure. The double-T gives it visual weight; the -ias ending gives it classical flow. Parents with Swedish or Finnish roots will feel its authenticity immediately.
The Spelling Challenge
Mattias will be written as Matthias, Matthew, or Matias by virtually every auto-complete and well-meaning stranger. The single-T standard spelling of the German form (Matthias) is more common in American records, so Mattias will need regular clarification. That's a known cost for Swedish-spelling names. The tradeoff is a name that is immediately pronounceable (MAT-ee-us) while carrying the specific Scandinavian character families who choose it are typically seeking. Explore seven-letter names to see Mattias alongside similar options, and visit current rankings to compare Mattias with Mateo on a live basis.