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NALC is deeply saddened to learn of the death of Marion “Mac” McMackin, former secretary-treasurer of San Diego Branch 70 and a longtime union activist, on June 12, 2025. He was 76.

McMackin began his career as a letter carrier in 1974 and served his fellow carriers in a variety of roles throughout the years. He was a dedicated advocate for the National Association of Letter Carriers. In 2024, he was recognized as a gold card member, marking 50 years of membership in the NALC.

“Brother Mac’s years of service to Branch 70 and the broader NALC community will be remembered with gratitude,” NALC President Brian L. Renfroe said. “We offer our sincere condolences to his family and friends.”