William Wilson McKinney is buried at Arlington Cemetery, Drexel Hill, Pennsylvania.
Eighteenth Century Presbyterianism in Western Pennsylvania (1919)
Early Pittsburgh Presbyterianism: Tracing the Development of the Presbyterian Church, United States of America in Pittsburgh, Pennsylvania From 1758-1839 (1938)
The Presbyterian Valley (1958)
The Challenge of a Heroic Past: The Story of the Establishment of the Western Theological Seminary (n.d.)
This 2-part article appeared in the June and September 1919 issues of the Journal of the Presbyterian Historical Society.