Records of the Order Sons of Italy in America, Pennsylvania Grand Lodge include Supreme Lodge convention records and Supreme Council minutes; Grand Convention documents (1935-1987), and Grand Council minutes (1949-1986), membership applications, correspondence and reports on the Dante Orphanage, Sons of Italy Savings and Loan Association, Columbus Day celebrations, and other projects. Also included are insurance records which compose over half of the collection and include 55 feet records pertaining to members enrolled in the Mortuary Fund. Financial records include ledger books offering details on the deaths of members, 47 microfilm reels providing case by case information on death claims, and other financial reports, along with officers' correspondence, Supreme and Grand Lodge newspapers, files on local lodges, and souvenir booklets. The collection is the largest in the OSIA archives.
The Order Sons of Italy in America, Pennsylvania Grand Lodge was founded in 1913 and has been the largest of the 22 Grand Lodges since the 1920s.