11/30/2025
Robert Henry “Bob” Duffrin, 91, of Marinette (formerly of Menominee), passed away on November 28, 2025.
Born July 20, 1934, on the family farm east of Stephenson, Michigan, Bob was the second child of Mathew Duffrin and the former Lillian Chartre. He graduated from Stephenson High School in 1952, and married the former Mary Louise Smith of Menominee on January 29, 1955 at St. Anne’s Church.
Bob was drafted and served his country honorably in the US Army, training at stations in Missouri, Colorado, and Virginia, before serving at the Nike missile site in Cudahy, WI.
After graduating high school, Bob moved to Milwaukee, WI, where he worked at Outboard Marine Corporation for 20 years. He also became skilled in auto body repair, which he did on the side.
In 1974, Bob and Mary Lou moved their family back to Menominee County. Forever an entrepreneur at heart, he was involved in the founding and selling of several family businesses, including Duffrin Brothers, Inc; Michigan Handle and Block; and Excel Brush Works, among others. Bob considered himself lucky to work with both his children and grandchildren in various family businesses over the years. Bob was also a hobby brush maker, making traditional style corn brooms from his home shop. He never truly retired, but continued his industriousness into his later years, building and selling yarn spinners on Etsy. Additionally, Bob was a member of the Menominee Rotary Club for several years.
Bob is sadly missed by his surviving family, whom he dearly loved and was extremely proud of: his loving wife of nearly 71 years, Mary Lou Duffrin; his brother Charles (Karen) Duffrin; his children Matthew (Kim) Duffrin and Cynthia (Mark) Chaltry; his grandchildren Brian Chaltry (fiancée Laurie Jo Bain), Joseph (Michelle) Chaltry, Victor (Maria) Duffrin, and Lillian (Samuel) Wegner; his great-grandchildren David, Sophie, and Ryleigh Chaltry, Evelyn and Clara Duffrin, Rhett Wegner, and one more on the way in April. Bob is further survived by brothers-in-law, whom he thought of as his own brothers: Richard (Ellen) Smith, Gerald (Gay Ann) Smith, and Robert Smith (Shirley); and many nieces, nephews, and friends.
Bob was preceded in death by his parents, Mathew and Lillian Duffrin; his siblings Richard Duffrin and Carol (James) Prestin; and his grandson Garrett Duffrin; as well as his parents-in-law Lester and Marie Smith, and brother-in-law Lester Smith Jr. (Patricia).
Bob’s family would like to thank Dr. Hudson and the cardiology team at Bellin Health for their excellent care. He thought very highly of them.
In accordance with Bob’s wishes, no services will be held. Burial will take place in Riverside Cemetery, Menominee, at a later date. Expressions of sympathy may be directed to any family member.
Cadieu Funeral Home is assisting the Duffrin family with arrangements.