Leona E. Horn (née Brandt), a beloved resident of Streamwood, Illinois, passed away peacefully on Friday, August 28, 2026, at the age of 95. Born March 16th, 1931, in Chicago, Leona was a guiding light to her family and friends, remembered for her unwavering faith, loving spirit, and remarkable talents. Leona was preceded in death by her beloved husband, William; her grandson, Samuel; and her parents, Peter and Helen (née Trojanowski) Brandt. She is survived by her devoted children: Christopher (Josephine) Horn, Daniel (Anna) Horn, Steven Horn, Peter (Amalia "Amy") Horn, Virginia (Terry) Vohasek, and Renae (Darrick) Schlossmann. Her love and wisdom also live on in her grandchildren: Michaela, Jacob, Gabrielle, Kyle (Deanna), Kelvin, Alyssia, Wesley, Kiana, Alayna, Autumn, Arianna, Briana (William), Jonathan, Blase, Adam, Elizabeth, John, and Olivia "Olivie." Further carrying forward her legacy are her great-grandchildren: Amalia, Charlotte, Ines, Isabella, Elio, and Luciana. She is also survived by her loving brother, Thomas (Maureen) Brandt, sister-in-law Eleanor Horn and many loving nieces and nephews. A creative soul, Leona was a prolific writer, having both poems and short stories published. Her talents extended beyond writing; she was an excellent seamstress, sharing her skills and teaching the art of sewing to many. One of the original members of St. John the Evangelist Catholic Church, she devoted much of her life to her faith and her community, leaving an indelible mark on all who knew her. Visitation for Leona will be held at Countryside Funeral Home and Crematory in Streamwood, IL, on Tuesday, September 1, 2026, from 4 PM to 8 PM. Prayers Wednesday, 9:15 AM at the funeral home, followed by 10 AM mass at St. John the Evangelist Catholic Church, Streamwood. Interment will follow at St. Michael the Archangel Cemetery in Palatine. In lieu of flowers, donations may be made to the Knights of Columbus Ladies Auxiliary, a cause close to her heart.