Chairman, Credentials Committee, American Institute of Architects, many years. Gill served as a Member of a Visiting Accreditation team for the National Architectural Accrediting Board in 1947.

Fellow, American Institute of Architects (FAIA), 1941.

Archival documents on Louis Gill housed at the Architecture and Design Collection of the University Museum, University of California, Santa Barbara (UCSB);

His mother's maiden name was Thompson;

SSN: 549-66-0346;