The Life of John Doyle John Doyle was an Irish political cartoonist, caricaturist, painter, and lithographer. Born in 1797, he was the eldest son of a Dublin silk mercer from a Roman Catholic family. In his youth, he studied landscape painting under Gaspare Gabrielli and learned miniature portraits at the Royal Dublin Society's drawing school under John Comerford, where he won a gold medal in 1805. Doyle moved to London in 1822 with his wife, Marianna Conan. His early work included equestrian portraits of the Marquess of Sligo and Lord Talbot, as well as a series of six prints titled The Life…