Welcome to the website of Winchester Sons of Italy (SOI) Lodge 1580. The Winchester SOI was officially founded on October 19, 1930. Lodge 1580 is one of more than 700 lodges or local chapters located coast-to-coast; all chartered under the Order Sons of Italy in America (OSIA). Located on Swanton Street in Winchester, the Lodge is comprised of a group of more than 350 members. Serving as a non-profit organization and a fraternal entity for more than 75 years, Lodge 1580 is the proud sponsor of many charitable events as well as host to a variety of social, family, and business gatherings. Please enjoy our website and let us know how we may be of service to you.