Complex sentence: Norris also designed the Unitarian Church, which was originally on Oglethorpe Square built in 1853, this church was designed for free people of color; the church has since been moved to Troup Square where it has become the Unitarian Universalist Church of Savannah.
Split into simpler sentences: Norris also designed the Unitarian Church, which was originally on Oglethorpe Square built in 1853; this church was designed for free people of color. The church has since been moved to Troup Square, where it is now The Unitarian Universalist Church of Savannah.