First Universalist Church of Olmsted was created in 1847.
First Universalist Church of Portageville was created in 1841.
First Universalist Church of Sharpsville was created in 1884.
First Universalist Church of Cedar Rapids was created in 1875.
First Unitarian Universalist Church of Niagara was created in 1928.
First Universalist Society of West Sumner was created in 1867.
It is the First Parish (A Unitarian Universalist congregation) located in Cohasset, MA.
There was an 18th century Gideon Olmsted who was a Connecticut fisherman who was the great grandson of James Olmsted, who in 1632 was the first Olmsted in America. I saw no middle initial "L" in the name of James Olmsted, though.
First Protestant Church was created in 1875.
First Church of Belfast was created in 1818.
First Church of Hanover was created in 1835.
First Satanic Church was created in 1966.
First Family Church was created in 1996.