William Lloyd, Welsh Anglican priest turned schoolteacher, Methodist preacher (b. 1771) April 28 – Peter Chanel, French Roman Catholic priest, missionary, and saint (martyred) (b. 1803) April 30 – Peter Andreas Heiberg, Danish author, philologist (b. 1758) May 13 – Maria Madeline Taylor, Australian stage actor (b. 1805) May 16 – Marie Boivin, French midwife, inventor, and obstetrics writer (b. 1773) May 20 – Joseph Blanco White, British theologian (b. 1775) May 23 – Franz Xaver von Baader, German philosopher, theologian (b. 1765) June 1 Nicolas Appert, French inventor (b. 1749) David Wilkie, Scottish artist (b. 1785) July–December July – Mary Rogers ("Beautiful Cigar Girl"), American murder victim (b. c. 1820) August 16 – Fernando Errázuriz Aldunate, Chilean politician, President of Chile (b.c 1777) August 24 – Theodore Edward Hook, English author (b. 1788) September 25 – John Chandler, American politician (b. 1762) October 9 – Karl Friedrich Schinkel, German architect (b. 1781) November 18 – Agustín Gamarra, Peruvian general and politician, 10th and 14th President of Peru (b. 1785) December 4 – David Daniel Davis, British physician (b. 1777) December 23 – William Hay Macnaghten, Anglo-Indian diplomat (b. 1793) References Further reading