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 hi…