Firebrick (previously known as Spencer) is an unincorporated community in Washington Township, Lawrence County, Ohio, United States.

It is located between Oak Hill and South Webster near the intersection of Ohio State Route 140 and Blackfork-Firebrick Road.

[2] The Firebrick Post Office was established in the Donley Store on April 14, 1911.

[3] It then became a Rural Branch of the Oak Hill Post Office on September 1, 1959, and was discontinued entirely between 1973 and 1974.

This Lawrence County, Ohio state location article is a stub.