Trinity Episcopal Church was established in 1725 and its first church building was erected on Mill Plain Road on land that is now Sturges Park.
By 1737, the church had outgrown that building and a larger church was built in the center of Fairfield. In 1779, that church building was burned to the ground during the British invasion of Fairfield and Trinity held services in private homes for the next 10 years.
Trinity's third church building was erected in 1790 in the Mill Plain section of town, and, in 1829, Trinity's fourth church, described as "The Old Church on the Hill," was built on Rose Hill in the Southport section of town.
In 1854, Trinity's fourth church building burned to the ground, and the parish bought land on Pequot Road in the Southport section of town - the current site of the church - and erected its fifth church building in 1856. That building, however, was destroyed by a tornado in 1862, and the parish had to build its sixth and final building on that same spot.
Trinity Church's final building was consecrated on Dec. 11, 1862, and, in 2001, the parish completed an extensive two-year restoration of the church and parish hall.
Trinity's missionary trips to Honduras have helped the Episcopal Church San Lucas by building a road to the church, constructing windows in its Sunday school, building a water tower and bathrooms and constructing concrete steps from the church to the Sunday school. Members of Trinity also volunteer at Bread and Roses, a residential care program for people with AIDS, and Habitat for Humanity.
Trinity Episcopal Church also has a preschool, founded in 1965, for children from two and-a-half to 5 years of age.
Trinity Episcopal Church, which serves more than 400 families from Fairfield, Norwalk, Weston, Wilton, Easton, Stratford, Bridgeport and Westport, says its mission is to to become a compassionate community of Jesus Christ, where members serve God's people, celebrate God's blessings and discover a saving balance to the pressures of the world.