John S Mastin Obituary
John S Mastin (Pasadena, Maryland) passed away on July 26, 2026. John, born on March 30, 1946, shared life alongside family, friends, and others. You can send your sympathy in the guestbook provided and share it with the family.
He was predeceased by: his parents, Stuart Mastin and Margaret Mastin; his brother Michael Mastin; and his nephew Ryan Mastin. He is survived by: his wife Debra; his children, Emily Mastin Bonner (Calvin) and Matthew Mastin; and his siblings, Tom Mastin (Louri), Jim Mastin (Ann Marie), Tim Mastin, Mary Beth Claps (Nicholas) and Jeanne Marie Dibble (Jerry). He is also survived by many nieces, nephews, extended family members, and dear friends.
In lieu of flowers, gifts in memory of John Mastin may be directed to support Dr. Govind Warrier's melanoma and skin cancer research at the Johns Hopkins Kimmel Cancer Center.
