Barrister. Second son of John Losh. Born at Woodside, Carlisle, he was educated at Trinity College, Cambridge (BA 1786) and Lincoln’s Inn (called to the Bar 1789). He visited Paris in 1792 and on his return to England moved in a circle of metropolitan and Cambridge-based radicals and reformers that included George Dyer, William Godwin, John Horne Tooke (1736–1812; DNB), John Tweddell (1769–1799; DNB), Felix Vaughan (dates unknown), and William Wordsworth. In 1795–1796, ill-health forced his relocation to Bath, where he moved in the same circles as Southey. Losh was amongst the earliest readers of the manuscript of the first complete version of Madoc and had literary ambitions of his own, publishing an edition of Milton’s Areopagitica (1791) and a translation of Benjamin Constant’s Observations on the Strength of the Present Government in France (1797). He married Cecilia Baldwin in February 1798 and moved permanently to Newcastle at the end of the same year. In later life he was a successful lawyer, businessman and local politician.