D. H. Lawrence (1885-1930)
Mar 2 English poet and writer (Lady Chatterley's Lover), dies of tuberculosis at 44
- Mar 6 Alfred von Tirpitz, German architect of the Imperial Navy (Tirpitz Plan, Unrestricted U-boat Warfare) and World War I Grand Admiral, dies at 80
- Mar 6 William Milton, British cricket all-rounder (3 Tests South Africa, 2 wickets) and rugby union centre (2 Tests England), dies at 75
- Mar 8 Edward Terry Sanford, Associate Justice of the United States Supreme Court (b. 1865)
William Howard Taft (1857-1930)
Mar 8 27th US President (Republican: 1909-13) and Chief Justice, dies at 72
- Mar 12 Alois Jirásek, Czech novelist (The White Mountain), magazine editor (Zorn), and playwright, dies at 78
William George Barker (1894-1930)
Mar 12 Canadian fighter ace (Victoria Cross recipient), dies in a plane crash during a demonstration flight at 35
Miguel Primo de Rivera (1870-1930)
Mar 16 Spanish dictator, Prime Minister of Spain (1923-30) and military officer, dies of fever and diabetes at 60
Arthur Balfour (1848-1930)
Mar 19 British Prime Minister (Conservative: 1902-05) and Foreign Secretary (Balfour Declaration), dies of unremitting circulatory trouble at 81