Thomas W. Fitzwilliam (January 1 1833 - December 22, 1917) was a Irish stationer, lithographer, and bookseller based in New Orleans in the late 19th and early 20th centuries. Fitzwilliam was born County Wexford, Ireland, and emigrated to the United States in 1850. Three years later, in 1853, he relocated to New Orleans. Census records from 1950 list him as an accountant for B. M. Normand and Henry Stetson. Around 1860, with a 4,000 USD loan from fellow Irishman Thomas O'Donnell, he established open T. Fitzwilliam and Company. Initially a Blank Book Manufacturer and Stationer, with a retail location at 76 Camp St., New Orleans. He expanded in 187, founding a lithographic press. When the Southern Lithographic Company collapsed in 1885, Fitzwilliam inherited near monopoly in New Orleans, and indeed, throughout the Gulf littoral. His son Thomas William Fitzwilliam, took over the business after his father's death in 1917. In 1929, The firm was eventually acquired by Garcia Stationery Company.