George C. Mason &amp; SonGeorge C. Mason &amp; Son George C. Mason & Son George C. Mason & Son (1871–94) was an American architectural firm in Newport, Rhode Island. It was a father-son firm, the principals being George C. Mason (1820-1894) and George C. Mason, Jr. (1849-1924). Mason established his office in 1860, and was the first true architect to work out of Newport. His son began working for him in 1867, and became a partner in January 1871. Mason, Jr. married a Philadelphia woman in 1886, and opened a branch office of the firm in that city in 1888. The firm was dissolved with the elder Mason 's death in 1894. With the exception of the Philadelphia work, almost all of the Masons' known architectural work is in Newport County, Rhode Island. They were mainly noted for their residential designs for summer residents, though they also designed churches and civic structures of occasion. Architectural works. Mason & Son also submitted designs in the architectural competition for the new Rhode Island State House in 1890. Their entry did not make it past the first round. George C. Mason & Son George C. Mason & Son (1871–94) was an American architectural firm in Newport, Rhode Island. It was a father-son firm