Thayer (1842–1893) was an American architect, notable for designing buildings such as the Providence City Hall and the Cathedral of St. George, as well as the town halls of Brookline, Stoughton, and Methuen, Massachusetts.
[2] He lived for a time in South Boston, Massachusetts, and enlisted in the 5th Regiment Massachusetts Volunteers during the American Civil War, serving from October 1862 to July 1863.
[2] This firm designed the Centenary Methodist Church in Stanstead, Quebec, a Gothic Revival structure, in 1866–1869.
[2] In 1867 they designed a large summer hotel on Lake Memphremagog, Quebec near the American border.
[5][6] He had been "in ill health for some time," and reportedly had money troubles.