Tobiah comes from Hebrew Toviyah, meaning God is good or the Lord is good.
Tobiah is the original Hebrew form of the name more commonly encountered in English as Tobias or Toby. It derives from the Hebrew *Tov-Yah* (טוֹבִיָּה), meaning 'God is good' or 'Yahweh is good' — a name that is essentially a declaration of faith compressed into two syllables. The name appears in the Hebrew Bible: Tobiah the Ammonite is a notable antagonist in the Book of Nehemiah, opposing the rebuilding of Jerusalem's walls with political cunning and mockery, which gives the name an interesting duality — it carries theological beauty alongside a narrative of conflict and resilience.
In the deuterocanonical Book of Tobit (accepted by Catholic and Orthodox Christians, considered apocryphal by Protestants and Jews), the young hero Tobias/Tobiah undertakes an archetypal journey accompanied by the angel Raphael in disguise, heals his blind father with fish gall, and rescues his wife Sara from a demonic curse. This rich narrative made Tobias a beloved name in medieval Christian Europe and inspired countless artworks, including Rembrandt's multiple paintings of the Tobias story. The Book of Tobit essentially encoded the name with themes of courage, faith, angelic protection, and filial devotion.
While Tobias has been the dominant form in English and European usage for centuries, Tobiah has found renewed favor among families who appreciate its more direct connection to Hebrew scripture. It reads as simultaneously ancient and fresh — less softened than Tobias, more obviously Hebraic, carrying a scholarly and spiritual gravitas. In Jewish communities it retains deep roots; in broader usage, it appeals to parents seeking Biblical names that have not yet been worn smooth by overuse.