Born in Montrose, Pennsylvania, McCredie moved to Iowa with his parents, who settled on a farm near Manchester in Delaware County.

He attended the law school of the University of Iowa in 1889 and 1890, then moved to Portland, Oregon in 1890 and completed the study of law.[where?]

[2] McCredie was elected as a Republican to the Sixty-first Congress to fill the vacancy caused by the death of Francis W. Cushman and served from November 2, 1909, to March 3, 1911.

He resumed his interest in the Portland club of the Pacific Coast League, serving as president until 1921, when he retired.

This article incorporates public domain material from the Biographical Directory of the United States Congress