|Suffragan Bishop of Newark|
|Church||Episcopal Church (United States)|
|Predecessor||Theodore R. Ludlow|
|Consecration||October 22, 1958|
by Benjamin M. Washburn
Co-Conscrators - Arthur C. Lichtenberger and Leland Stark
|Born||December 5, 1899|
Bayonne, New Jersey
|Died||August 1, 1963|
Passaic, New Jersey
|Alma mater||Kenyon College|
General Theological Seminary
MacAdie was born in Bayonne, NJ in 1899 and his mother's name was Ella. He attended Kenyon College where he was a member of Sigma Pi fraternity. While at Kenyon he was drafted into the Student Army Training Corps during World War I and attended Officers Training School at Camp Grant, IL. After being discharged at the end of the war, he graduated from Kenyon in 1922 then attended Bexley Hall before transferring to General Theological Seminary where he graduated in 1924. He would later attain a Doctorate of Sacred Theology (STD) from General Theological Seminary in 1958.
He was ordained in 1925. Before his ordination he was involved in youth work at St. Thomas' Church in New York City. His first assignment was as Rector of St. Mary’s Church in Haledon, NJ where he stayed until 1929. From 1929 to 1931 he was the Executive Secretary of the diocese’s social service and field department. From 1931 to 1958 he was the Rector of St. John’s Church in Passaic, NJ.
In 1958 he was named Suffragan Bishop of Newark and received an Honorary Doctorate of Divinity from Kenyon. He was presented to his consecration by Bishops Frederick J. Warnecke and James P. deWolfe. His duties included oversight of the churches in Bergen, Passaic, Warren, and Sussex counties. He also was in charge of the diocese's promotion, education, youth, urban work, social work, and laymen's work organizations.
- "Previous Bishops of Newark". The Episcopal Diocese of Newark.
- "Suffragan Bishop is Consecrated". The New York Times. New York, New York. March 7, 1964. Retrieved September 10, 2018.
- "New Suffragan for Newark". This Living Church. Vol. 137 no. 18. November 2, 1958. p. 15.
- "Bishop MacAdie Dies". This Living Church. Vol. 147 no. 6. August 11, 1963. p. 8.
- "United States World War I Draft Registration Cards, 1917-1918". National Archives and Records Administration.
- "Adytum on High" (PDF). The Emerald of Sigma Pi. Vol. 50 no. 2. Summer 1963. p. 88.
- "Service List - Lambda" (PDF). The Emerald of Sigma Pi. Vol. 5 no. 4. January 1919. p. 190.
- "Lambda Chapter - Kenyon College" (PDF). The Emerald of Sigma Pi. Vol. 45 no. 3. Fall 1958. pp. 167–168.
- "Degrees To Be Given At Inauguration". The Kenyon Collegian. Gambier, Ohio. September 19, 1958. Retrieved September 10, 2018.
- "Bishop MacAdie's Duties". This Living Church. Vol. 137 no. 26. December 28, 1958. pp. 4–5.
- "United States Census, 1930". National Archives and Records Administration.