William S. Peck Sr.
William Smith Peck Sr. was a Democratic member of the Louisiana House of Representatives from Sicily Island in Catahoula Parish, Louisiana, having served from 1920-1928.
Peck, a businessman and farmer, was married to the former Estelle Woodard. Their children were William S. Peck Jr., who held the same House seat as his father from 1956 to 1964; Barbara Jane Peck Gilbert, the first wife of retired State Senator J.C. "Sonny" Gilbert, and Henry C. Peck Sr., a Sicily Island banker, contractor, cattleman, and farmer. He was affiliated with the Methodist Church.