Katherine Ann Vonderhaar, age 49, of Bel Air, Maryland passed away on December 22, 2022 at Upper Chesapeake Medical Center in Bel Air, Maryland. Born in Louisville, Kentucky, she was the daughter of Elizabeth (Smith) Knowland and the late Thomas Joseph Vonderhaar. Katherine was a teacher at the Community College of Baltimore County where she enjoyed working with special needs students and helping them succeed in life. Katherine was a brilliant mind, who loved books, computers, and any pathway to more knowledge. She loved fashion, shopping, and finding good deals. She enjoyed nostalgic television and Agatha Christie novels. Beyond everything, Katherine did or enjoyed, her sister is her best friend and dearest companion, and she will be remembered always.
In addition to her mother, Katherine is survived by her sister, Julie Grace Vonderhaar.
In lieu of flowers contributions may be made to: St. Jude Children's Research Hospital, PO Box 50, Memphis, TN 38101.