Jock Mahoney, American actor and stuntman (d. 1989)
Jacques Joseph O'Mahoney (February 7, 1919 – December 14, 1989), known professionally as Jock Mahoney, was an American actor and stuntman. He starred in two Action/Adventure television series, The Range Rider and Yancy Derringer. He played Tarzan in two feature films and was associated in various capacities with several other Tarzan productions. He was sometimes credited as Jack O'Mahoney or Jock O'Mahoney.

1919Feb, 7
Jock Mahoney
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Events on 1919
- 23Mar
Italian Fascism
In Milan, Italy, Benito Mussolini founds his Fascist political movement. - 4May
Treaty of Versailles
May Fourth Movement: Student demonstrations take place in Tiananmen Square in Beijing, China, protesting the Treaty of Versailles, which transferred Chinese territory to Japan. - 19May
Turkish War of Independence
Mustafa Kemal Atatürk lands at Samsun on the Anatolian Black Sea coast, initiating what is later termed the Turkish War of Independence. - 29May
General relativity
Albert Einstein's theory of general relativity is tested (later confirmed) by Arthur Eddington and Andrew Claude de la Cherois Crommelin. - 4Jun
19th Amendment to the United States Constitution
Women's rights: The U.S. Congress approves the 19th Amendment to the United States Constitution, which guarantees suffrage to women, and sends it to the U.S. states for ratification.