Teresa “Teri” Lyn Niswonger, age 64, passed away Thursday, May 22, 2025. She was surrounded by family after a hard fought 20 month battle with cancer. Teri was preceded in death by her father, Donald Reigelsperger, and her brother, Doug. She is survived by Mike, her dedicated husband of 40 years, her son, Kevin (Kelly), and her grandchildren Cameron and Holly, the joys of her life. Also surviving is her mother, Clara Reigelsperger, and her sisters Julie (Scott) Strohminger and Diane (Rodger) Chapin. She is also survived by her brother-in-law Steve Niswonger (Kirstine) and numerous aunts, uncles, cousins, nieces, nephews, and great-nieces and nephews. Teri graduated from Fairmont West High School in Kettering, OH in 1979. She worked at Metropolitan Life, Manpower, several architectural firms, and spent the last 25+ years working for a dermatology group. Teri was a devoted wife, daughter, sister, mother and grandmother. She had a great sense of humor and was a warm and cheerful presence to everyone she met. She loved traveling to Las Vegas, and spending time with her family and friends. She will be very missed, along with her famous chip dip which she was known for in the family. Her family would also like to thank the staff at the Bethesda North Thomas Center for helping to care for her over the last few years. In lieu of flowers, donations may be made to Cincinnati Lab Rescue , in honor of her new friend Lucy the golden lab who visited her often during her treatment, or the Thomas Center. A Memorial Visitation for Teri will be held Saturday, June 14, 2025 from 10:00 AM to 11:00 AM at Anderson Funeral Home, 40 N. Main Street, Springboro, OH 45066, followed by a Memorial Service at 11:00 AM.