Mary Ann Oros, 83, a lifelong resident of Aliquippa, passed away on February 27th, 2025. She was born on January 9th, 1942, the daughter of the late Dominic Ranieri and Mary (Shomsky) Ranieri. In addition to her parents, she was preceded in death by her beloved husband, Emil Oros and her sister, Anne Ranieri. She is survived by her devoted son, Michael Oros, her loving daughter, Annette Sparrow, her supportive son-in-law, Mark Sparrow and her cherished granddaughters, Claire and Annalise, who brought her endless joy. She is also survived by her dear siblings: Juliann Ranieri, Esther Letrick, Michael (Kathleen Maloney) Ranieri, Elaine (Joseph) Yurkovich and Rosalyn (James) Braun; as well as many loving nieces, nephews, cousins, and friends.

Mary Ann graduated from Aliquippa High School with the class of 1959.
Mary Ann spent her career working in various roles, including as a legal secretary, medical secretary and typist, before retiring as an Integrated Claims Specialist from First Health in 2006. She was known for her strong work ethic and attention to detail.
In her free time, Mary Ann enjoyed being part of a card club, book club, Christian Women, and Bible study group. She also liked playing bingo and most of all, spending time with family and friends. She was a member of Mary, Queen of Saints Parish, Our Lady of Fatima Church, the Christian Mothers, the Third Order of Saint Francis and the Saint Anthony Congregation. Her faith and church community were important parts of her life.
Visitation will be held on Tuesday, March 4th from 9:30-10:30 a.m. in the ANTHONY MASTROFRANCESCO FUNERAL HOME, INC. 2026 McMinn Street Aliquippa. Departing prayers will begin at 10:30 am. A Mass of Christian Burial will be held on Tuesday, March 4th at 11 a.m. in Our Lady of Fatima Church, 2270 Broadhead Road, Aliquippa.
In lieu of flowers, donations may be made in Mary Ann’s memory to Sisters of St. Joseph 1020 State Street Baden, PA 15005. Burial will take place at Mt. Olivet Cemetery.