Jonathan Lothian MacCarthy (b. January 20, 1920) is a Chawosaurian Comrade who is a longtime member of the Chawopolis Palace. A member of the MacCarthy Family, and member of the Canadian Liberal Party.

The child of Jonathan Dùghlas MacCarthy and Elizabeth Victoria Lobhdain. MacCarthy lived in Halifax, Nova Scotia, Canada, also born there, he moved to Vancouver, British Columbia, Canada in 1936, and graduated from the University of British Columbia in 1938 at a very early age, after World War II began, he received a draft to fight in World War II, but the draft was overturned due to a car accident. He announced his candidacy for the Chawopolis Palace on September 25, 1939, and won easily on December 31, 1939.

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