Variant of Josiah, a Hebrew name meaning 'God supports,' borne by a righteous king of Judah.
Josiahs is a variant form of Josiah, a Hebrew name meaning "Yahweh supports," "Yahweh heals," or "fire of the Lord" — interpretations that together paint a picture of divine sustenance and ardor. In the Hebrew scriptures, King Josiah of Judah is one of the most celebrated monarchs: crowned at eight years old after the assassination of his father Amon, he reigned for 31 years and led a sweeping religious reformation, destroying pagan altars and restoring the Jerusalem Temple. The discovery of the Book of the Law during Temple renovations during his reign is one of the pivotal moments in biblical narrative, sparking a national renewal of covenant faithfulness.
Josiah entered English usage through the Puritan naming tradition of the 16th and 17th centuries, when biblical names were chosen for their theological heft. It was borne by Josiah Wedgwood, the English potter and industrialist who became one of the great figures of the 18th century — his Wedgwood pottery empire and his fervent abolitionism made him a transformative figure. In America, Josiah Quincy and Josiah Bartlett were among the founding generation, embedding the name in the nation's early civic identity.
Josiah Royce, the 19th-century Harvard philosopher, brought the name into academic culture. The Josiahs spelling, with its added S, represents a modern personalizing flourish — the kind of subtle alteration that gives a child a name recognizably connected to a rich tradition while remaining distinctly their own. This practice of modified spellings honors heritage while asserting individuality, a balance many contemporary parents consciously seek.