[1] The first Anglican church services in Greensburg were held in September 1813 at the Westmoreland County court house, with missionary priests from the Society for the Advancement of Christianity in Pennsylvania as celebrants.

In December 1822, a charter for the parish was signed, then granted by the Pennsylvania General Assembly in 1823 under the name "Christ's Church," and Bennett became the first rector, serving until 1824.

The congregation met in the nearby Masonic Temple during the construction of the third and present-day Gothic Revival church, which was completed and dedicated in December 1891.

But to reflect the Episcopal diocese's "trust beneficiary rights" in the properties, Christ's Church agreed to pay an annual fee amounting to 3.25 percent of its operating revenues to the diocese for the first 20 years after the agreement, followed by an annual fee of 1.75 percent of its operating revenues in subsequent years.

[5] Like many other buildings made with porous stone in southwestern Pennsylvania, the walls became black from coal soot in the 20th century, but have since been cleaned and restored to their original condition.

[5] Inside the church, the ceiling is red oak, supported by beams resting on stone corbels carved as female heads.