Millsboro, DE – Marion C. Sumpf, 67 of Millsboro, Delaware, formally of Millstone, NJ, passed away  on Feb.12, 2022 after a long battle with lung cancer. She died peacefully at home in the company of her partner of 30 years, Liz Horvath.  Born Oct. 3, 1954 in Brundenberg Germany, her family migrated to the U.S. when she was just 2 years old.

Marion, began her life with the horses as a teenager working with thoroughbreds at Delaware Park before eventually owning and training a stable of Standardbred race horses. Her most notable horses were Lion King, Spencer’s Dream, and Gary’s Goal.

Throughout her long career she worked for top trainers such as Stanley Dancer, Steve Warrington, Ken Rucker and Ron Burke. She also worked as a vet assistant with Dr. Churchill of Chesapeake City, Maryland and Dr. Charles Moore.

Marion was a huge advocate of rescuing animals.  She spent many years fostering feral cats and dogs and finding them the perfect forever home.

After retiring to Delaware, Marion enjoyed fishing, spending time at the beach, cruising the Caribbean and spending time with her family and friends.

She  is survived by her partner, Elizabeth Horvath,  brothers Alexander & Kuno Sumpf (wife Janet) and  niece Andrea Roche. She is predeceased by parents, Edith and Werner Sumpf, brother Werner Sumpf Jr. and nephew Shawn Little.

Donations, on Marion’s behalf  can be made to the Standardbred Retirement Foundation.