[3] The first Trinity Church was built two blocks to the west of this burial ground at the base of the hill or terrace initially.

"[5] In 1824, Trinity moved to its current site in the middle of the terrace churchyard with what is regarded as the first Gothic structure in Western Pennsylvania.

[7] The cathedral was designed by architect Gordon W. Lloyd in 1870–71 with an exterior featuring English Gothic Style that was favored by mid-Victorian Episcopalians including a single central steeple and side transepts.

The interior features a tall nave flanked by aisles and lit by clerestory windows.

The nave walls are supported by clustered stone columns, and the austere interior ornamentation, in which the pointed arch predominates, is reminiscent of the work of the American Gothicist Richard Upjohn.

The cleaning removed remnants of industrial soot dating to Pittsburgh's steel making days.

Dr. Catherine Brall as Canon Provost and included elected representatives from both the continuing and breakaway dioceses and the cathedral's lay delegate had voice and vote in both the Episcopal and realigned Anglican diocesan conventions.