Mary Jane Bertagnolli of Roy will celebrate her 80th birthday. Family and friends may attend an open house in her honor from 3 to 6 p.m. on March 25 at the Roy City Center, 5051 S. 1900 West. She was born March 25, 1931, in St. Cloud, Minn., to John and Rose Strack. She married James J. Bertagnolli on June 19, 1954, in St. Cloud. She worked for several years at various places: Internal Revenue Service, U.S. Forest Service, U.S. Social Security Administration and Hill Air Force Base, retiring in 1991. She is an active member of St. Mary’s Catholic Church. Her hobbies include shopping, lunch with close friends and family, and short trips. Her children and their spouses are Eric and Shelley Bertagnolli, Jim and Shelly Bertagnolli, Bryan Bertagnolli, Rosanne and Rick Roberts, Karen and Brent Nielsen, and Diane and Willy Orchard. She has 13 grandchildren and six great-grandchildren with two on the way.