The National Association of Letter Carriers (NALC) announced the passing of Marion “Mac” McMackin, a former secretary-treasurer of San Diego Branch 70 and a long-serving union activist. McMackin died on June 12, 2025, at the age of 76.
McMackin’s career as a letter carrier began in 1974. Over the years, he held various roles in service to his fellow carriers and was a committed advocate for the NALC. In recognition of his contributions, he was honored as a gold card member in 2024, marking half a century of membership with the organization.
“Brother Mac’s years of service to Branch 70 and the broader NALC community will be remembered with gratitude,” stated NALC President Brian L. Renfroe. “We offer our sincere condolences to his family and friends.”