Radical English political writer.

Ordained in the Church of England (1763). Rector of Ovington, Norfolk (1764); later held several other livings. Lectured on mathematics and Greek Testament at Cambridge; his Unitarianism made the latter controversial. Qualified as a physician (1777) and practiced in London. Active in radical politics; advocated parliamentary reform, universal suffrage, women’s equality, and the secret ballot. Published numerous books and articles, including Thoughts on the Construction and Polity of Prisons (1786).

Son of John and Ann (Gansel) Jebb of Cashel, Ireland. Educated at Trinity College, Dublin, Peterhouse, Cambridge (B.A. 1757), and St. Andrews (M.D. 1777). Married Ann Torkington, a political essayist (1764); no issue.