1861 deaths

Herbert "Herbie" Coleridge (7 October 1830 – 23 April 1861) was an English philologist, technically the first editor of what ultimately became the Oxford English Dictionary. He was a grandson of the poet Samuel Taylor Coleridge.

Rose-Marie Cizos, stage name Rose Chéri, (27 October 1824 – 22 September 1861) was a French actress. She was the elder sister of the actress Anna Chéri (also called Chéri Lesueur) and of the composer and conductor Victor Chéri. After her marriage to Adolphe Lemoine (stage name Montigny, and director of the Théâtre du Gymnase) on 12 May 1845, she took the name Chéri Montigny.

Ippolito Nievo (Italian pronunciation: [ipˈpɔːlito ˈnjɛːvo; ˈnjeː-]; 30 November 1831 – 4 March 1861) was an Italian writer, journalist and patriot. His Confessions of an Italian is widely considered the most important novel about the Italian Risorgimento.

Henri-Mamert-Onésime Delafond (13 February 1805 – 15 November 1861) was a French veterinarian born in Saint-Amand-en-Puisaye, Nièvre department. Delafond was one of the primary representatives of veterinary science in France during the first half of the nineteenth century.He served as a professor and director of the Maisons-Alfort veterinary school. He was a member of the Académie de Médecine and of the Société nationale d'agriculture.Delafond is remembered for pioneer microscopic research of Bacillus anthracis, the causative organism of anthrax. Also, with microbiologist David Gruby (1810–1898), he performed extensive investigations of Tritrichomonas suis, a parasite found in swine.
In 1842 with Gabriel Andral (1797–1876) and Jules Gavarret (1809–1890), he was co-author of an important treatise on domestic animal blood composition titled Recherches sur la composition du sang de quelques animaux domestiques, dans l’état de santé et de maladie. With Honoré Bourguignon, he published Traité pratique d'entomologie et de pathologie comparées de la psore ou gale de l'homme et des animaux domestiques (Treatise on the entomology and comparative pathology of scabies affecting humans and domesticated animals).