John Paul "Jack" Gallagher, age 77, of Wilmington, DE passed away surrounded by his family on January 24, 2023.

Born in Philadelphia, PA he was the son of the late Margaret (Kelly) and John Gallagher. He was a proud graduate of Villanova University and an enthusiastic fan of Villanova Wildcats basketball. After completing his master's degree in chemistry at Catholic University, he spent his 36-year career at DuPont, retiring as a Senior Research Fellow. He was admired by his colleagues for his sage advice and kind mentorship.

Jack was happiest when surrounded by his children and grandchildren. He had a kind and gentle nature with a smile and sense of humor that could light up a room. As Jack often said, he and his wife, Meg, were a "great team" who enjoyed many adventures in their life together, including traveling, golfing, and living in Venezuela. Their companionship was something he treasured. Jack's strong faith guided him throughout his life. He and Meg were longtime parishioners at St. Mary of the Assumption Parish in Hockessin.

In addition to his parents, Jack was predeceased by his granddaughter, Allison Moore. He is survived by his wife of 55 years, Marguerite "Meg" (Stern) Gallagher; his children Siobhan Gallagher (David Roy), Bridget Moore (Robert), John Paul Gallagher (Elysia Albeser-Gallagher), Mary Stephan (Michael), Caitlin Gallagher (David Carden); his grandchildren Andrew and Sean Hoffman, Erin, Liam, and Molly Moore, Juniper and Margot Gallagher, Marti and Maisie Stephan, and Nolan and Casey Gallagher;  his great-granddaughter, Bowie Hoffman; his sister Mary Ellen Brace and brother-in-law John; and a host of nieces, nephews, and extended family.

Services will take place at St. Mary of the Assumption Catholic Church, Hockessin Delaware on February 4, 2023.Visitation will be from 9:30 a.m. to 11:00 a.m. followed by a Mass of Christian Burial beginning at 11 a.m. Burial will be private. In lieu of flowers, the family suggests donations to Delaware Hospice in Jack's name to https://www.delawarehospice.org/donate/