Mateus is a form of Matthew, from Hebrew via Latin, meaning 'gift of God.'
Mateus is the Portuguese and Polish form of Matthew, one of the most enduring names in the Western world. It traces back through Latin Mattheus and Greek Matthaios to the Hebrew name Mattityahu, a compound of 'mattan' (gift) and 'Yah' (the divine name), yielding the devotional meaning 'gift of God.' The name entered Christian tradition primarily through Saint Matthew the Apostle, the tax collector of Capernaum called by Jesus, who became one of the twelve apostles and is traditionally credited with authoring the first Gospel.
Matthew's feast day has been celebrated on September 21st in the Western church since the early medieval period. In Portugal and Brazil, Mateus has been a stable given name for centuries, worn by kings, poets, and saints. It carries the warmth and musicality characteristic of Lusophone naming traditions — the soft 't,' the flowing vowels, the open final syllable.
In Polish, Mateusz is the standard form, making Mateus the cross-lingual bridge between these two large Catholic cultures. In Brazil particularly, Mateus has enjoyed sustained popularity, feeling both traditional and contemporary, neither archaic nor trendy. In the early twenty-first century, Mateus gained wider international visibility as parents in English-speaking countries began reaching beyond Matthew to its Romance-language cognates, drawn to names that feel familiar in meaning but fresh in sound.
The name shares its skeleton with Matteo (Italian), Mateo (Spanish), and Mathieu (French), all riding the same wave of fashion. Mateus occupies a slightly less common niche than Mateo in North America, giving parents the appeal of the trend with a measure of distinctiveness — a name that is immediately legible but unmistakably its own.