About: Peter J. McArdle

Peter J. McArdle (1874–1940) also known as P.J. McArdle was a labor activist and local politician in Pittsburgh. Born in Belpre, Ohio and growing up in Muncie, Indiana, McCardle moved from Muncie to Pittsburgh in 1905 when he was elected President of the Amalgamated Association of Iron and Steel Workers. He was a rolling mill worker and union council member influential in the Amalgamated Association of Iron and Steel Workers (hosting the 1909 convention) and the Steel strike of 1919. McArdle was elected to Pittsburgh City Council, serving from 1911–1913, 1916–1919, 1922–1930, and 1932–1940. He was a member of the City Planning Commission when the was proposed in 1912. McArdle's home in later life was on Bigham Street in the neighborhood of Pittsburgh.