Dr. Donald (Don) Francis McDonnell, 95, of Piscataway, passed away on Friday, April 17, 2020 at St. Peter’s University Hospital, New Brunswick. He was born and raised in Kansas City, Kansas. He joined the Marines in 1942 achieving the rank of Staff Sergeant, honorably discharged in 1946. After serving his country, he attained his Doctor of Medicine degree from Creighton University School of Medicine in Omaha, Nebraska. While attending Creighton, Don met his wife Joan. They moved to the New Brunswick area in the early 1950's where he joined the medical practice of Glasser, Boogdanian, McDonnell Group. He practiced here serving the New Brunswick community until his retirement in 1995. Shortly after arriving to New Jersey, they began their family. Don loved his wife dearly, and was deeply saddened by her passing in 2002. Don was a kind, generous and gentle man who always helped anyone who needed a hand. Don enjoyed tennis, DIY home improvement projects and telling jokes. He will be remembered fondly by those who knew him and he will be missed by all. In addition to his wife, Joan, he was predeceased by his parents, James and Agnes; his brother, James and his wife Shirley; and both his brothers-in law, Art Carmona and Chuck Stevinson. He is survived by his younger sisters, Patricia Stevinson of Denver, Colorado, and Kathleen Carmona of Freemont, California. He is also survived by his four children; daughter, Leslie; sons, Matthew and his wife Debra, John, and Daniel and his wife Jean; his step-grandson Matthew and his wife Erin; and step-great-grandson Jax. In lieu of flowers, please consider a donation in his memory to: St. Peter's Church, St. Peter's University Hospital, Doctors Without Borders, or FLAG (Front Line Appreciation Group) of Somerset which can be found on their Facebook page FLAG of Somerset. A Memorial Service will be held at a later date. Boylan Funeral Home, 188 Easton Avenue, New Brunswick has been entrusted with the funeral arrangements.