McAvoy was born in New York, the son of John V. McAvoy, a Justice on theNew York State Supreme Court, Appellate Division, and Marian Newcomb.[1] McAvoy's family was influential in New York politics. His grandfather Thomas McAvoy was an ally ofTammany Hall headCharles F. Murphy[2] and the brother ofFrancis S. McAvoy.[3] As a child, McAvoy studied violin with the conductor Alexander Bloch.[4] He was involved with theAmerican Labor Party soon after its founding in 1936.Fiorello La Guardia unsuccessfully attempted to convince the party to nominate McAvoy as its candidate to succeedBaruch Vladeck in 1938.[5] McAvoy never joined theCommunist Party.[6] Nevertheless, he resigned from his position as Deputy Welfare Commissioner in 1941, following accusations of Communist sympathies.[7] He then served as the Washington representative for theUnited Electrical, Radio and Machine Workers of America.[8] He resigned from this position in 1948 in order to supportHenry Wallace's campaign, arguing thatTruman had "reversed the progressive foreign and domestic policies ofFDR".[9]
In 1951, McAvoy was theAmerican Labor Party's candidate for city council president, and received 6.1% of the vote.[10] In 1953 he was the ALP's candidate for mayor of New York and received only 54,000 votes.[11] Following McAvoy's unsuccessful electoral performance,Vito Marcantonio resigned from the ALP.[12] In the 1956 election, McAvoy supported theSocialist Workers Party presidential candidatesFarrell Dobbs andMyra Tanner Weiss.[13] McAvoy was the chairman of the Council for Pan-American Democracy.[14] He died of nephritis on August 9, 1957.[15]
He married Frances Boardman Chisholm in 1930. They divorced in 1949.[16] He later marriedSusan B. Anthony II.[17] His third marriage was to Muriel Gravelle, a member of theProgressive Party in New Hampshire.[18]
^"McAvoy Ousted as Hodson Aide".The Brooklyn Daily Eagle. June 17, 1941. p. 1.
^Filippelli, Ronald L.; MacColloch, Mark D. (1995).Cold war in the working class: the rise and decline of the United Electrical Workers. SUNY series in American labour history. Albany, N.Y: State University of New York Press.ISBN978-0-7914-2182-6.