 He graduated from Dickinson School of Law in Carlisle, Pennsylvania, in 1909, was admitted to the bar the same year and commenced practice in Mount Carmel.He was director and solicitor of the First National Bank of Mount Carmel, president and solicitor of the Shamokin-Mount Carmel Transit Co., and of the Ashland & Shamokin Auto Bus Co., Inc.He also worked as director of the Mount Carmel Water Co.

Magrady was elected as a Republican to the Sixty-ninth and to the three succeeding Congresses.