of the Dominican War of Independence (b. 1794) March 17 – Friedrich Bessel, German mathematician and astronomer (b. 1784) May 11 – Jane Irwin Harrison, de facto First Lady of the United States (b. 1804) May 12 – Sir Robert Otway, British admiral (b. 1770) May 23 – Franciszek Ksawery Drucki-Lubecki, Polish politician (b. 1778) June 1 – Pope Gregory XVI (b. 1765) June 8 – Rodolphe Töpffer, Swiss author, painter, and caricature artist (b. 1799) June 13 – Jean-Baptiste Benoît Eyriès, French geographer, author and translator (b. 1767) July–December August 5 – Dorothy Thomas, Caribbean entrepreneur and former slave (b. 1756) August 16 Samuel Humphreys, American naval architect (b. 1778) Sylvain Charles Valée, Marshal of France (b. 1773) September 14 – Jacques Dupré, Louisiana State Representative, State Senator, and Governor (b. 1773) September 23 – John Ainsworth Horrocks, English-born explorer of South Australia (b. 1818) September 26 – Thomas Clarkson, English abolitionist (b. 1760) October 2 – Benjamin Waterhouse, American physician, medical professor (b. 1754) October 15 – Bagyidaw, Burmese king (b. 1784) November 6 Alexander Chavchavadze, Georgian Romantic poet, military figure (b. 1786) Karol Marcinkowski, Polish physician, social activist (b. 1800) November 11 - José Escolástico Marín, Salvadoran politician November 12 – William Findlay, American politician (b. 1768) December 18 – Emilie Högquist, Swedish dramatic star (b. 1812) December 29 – Mateli Magdalena Kuivalatar, Finnish-Carelian folksinger (b. 1777) Date unknown Maria Medina Coeli, Italian physician (b. 1764) References