Parliament (b. 1699) April April 4 – René Charles de Maupeou, French statesman (b. 1688) April 5 – Simon Nikolaus Euseb von Montjoye-Hirsingen, Prince Bishop of Basel (b. 1693) April 7 – Sir Anthony Abdy, 5th Baronet, 5th Abdy Baronet (b. 1720) April 10 Jonas Haas, German-born Danish engraver (b. 1720) Louis-Florent de Vallière, Governor General of the French colony of Saint-Domingue, now Haiti (b. 1721) April 11 Meletie Covaci, Roman Catholic bishop (b. 1707) Roger Mostyn, English churchman, Canon of Windsor (b. 1720) April 12 William Kerr, 4th Marquess of Lothian, Scottish nobleman (b. 1710) Pierre Soubeyran, Genevan-French engraver and copperplate engraver (b. 1709) William Vaughan, Welsh politician (b. 1707) April 14 – Countess Palatine Ernestine of Sulzbach, Landgravine and Carmelite nun (b. 1697) April 16 – William Leyborne Leyborne, governor of the Windward Islands (b. 1744) April 19 – Isaac Davis, American gunsmith and militia officer (b. 1745) April 24 – Jan Caspar Philips, engraver from the Northern Netherlands (b. 1690) April 26 – Josiah Quincy II, American lawyer (b. 1744) April 27 – Peter Boehler, Moravian missionary (b. 1712) April 30 Francesco Barsanti, Italian flautist, oboist and composer (b. 1690) Peter Harrison, English-born colonial American architect (b. 1716) May May 1 – Israel Lyons, English mathematician and botanist (b. 1739) May 2 Mary Montagu, Duchess of Montagu, wife of George Brudenell Montagu, Duke of Montagu (b. 1711) Fredericka of Saxe-Gotha-Altenburg, duchess consort of Saxe-Weissenfels (b. 1715) May 3 – George Boscawen, British Army general (b. 1712) May 5 John Blennerhassett, Anglo-Irish politician (b. 1691) Benjamin Dass, Norwegian teacher and book collector (b. 1706) May 7 – Cornelius Heinrich Dretzel, German organist and composer (b. 1697) May 9 Domingo de Basavilbaso, Argentinian businessperson (b. 1709) Vittoria Tesi, Italian opera singer and music teacher (b. 1701) May 10 Marie Magdalene Charlotte Ackermann, German actress (b. 1757) Caroline Matilda of Great Britain, Queen consort of Denmark and Norway, 1766–1772 (b. 1751) Samuel of Constantinople, Ecumenical Patriarch of Constantinople (b. 1700) Caroline Matilda, British princess, queen consort of Denmark (b. 1751) May 15 Hans-Friedrich von Krusemark, Lieutenant General in the Prussian Army of Frederick the Great (b. 1720) Johann Daniel Ritter, German historian (b. 1709) May 16 – Ulla von Liewen, Swedish courtier and baroness (b. 1747) May 17 – Carlo Carlone, painter (b. 1686) May 18 Magnus Beronius, Archbishop of Uppsala in the Church of Sweden (b. 1692) Johann Joachim