Career
He was a rolling mill worker and union council member influential in Amalgamated Association of Iron and Steel Workers (hosting the 1909 convention) and the Steel strike of 1919. McArdle was elected to Pittsburgh City Council in 1911 with a source recording him in office for over 27 years. McArdle"s home in later life was on Bigham Street in the Mountain.
Washington neighborhood of Pittsburgh.
McArdle ran in the 1933 Republican primary for Pittsburgh mayor.
