Margaret "Peggy" Henderson Obituary Margaret J. “Peggy” (Swinburne) Henderson, age 77, of Miramar Beach, FL, passed away on June 3, 2025. She was born on August 25, 1947, to parents Bernard and Margaret Swinburne. Peggy will be remembered for being a joyful, caring, loving wife, mother, grandmother, and friend. She is predeceased by her parents and her sister, Nancy. She is survived by her husband of 58 years, John; her daughter, Lisa (Michael) Denton; and her granddaughter, Natalie Denton. A private family gathering has been held. Expressions of sympathy and support may be left online at www.mclaughlintwincities.com