

Born April 7, 1940, in Chicago, Illinois, Joe was the son of the late Fred Hartmann and Catherine Render Hartmann.
A graduate of St. George High School and Quincy University, he earned his master's degree from Northeastern Illinois University. He began his teaching career in Park Ridge, Illinois, where he met his wife, Mary Ann. They moved to Oneonta in 1968.
Joe taught social studies and journalism at Oneonta High School until his retirement in 1995. As faculty advisor to The Echo, he guided the student newspaper to national recognition and was named New York State Advisor of the Year in 1987. He also taught journalism at Syracuse University's School Press Institute and authored Persuasive Writing. In September 2026, he received the OHS Alumni Association's Superlative Staff Award.
A longtime member of St. Mary's Church, Joe served as parish council president. In retirement, he became an accomplished woodturner, exhibiting his handcrafted bowls and vases throughout Central New York.
Joe is survived by his beloved wife, Mary Ann; daughter, Sarah Hartmann; son, Peter Hartmann; sisters, Patricia Hartmann, Christine Watschke, and Cathy Lindstrom Foley; and many loving nieces, nephews, cousins, and friends. He was predeceased by his parents, Fred and Catherine Render Hartmann, and his brother, Jack Hartmann.
Calling hours will be held Monday, November 9, from 3 to 7 p.m. at Grummons Funeral Home in Oneonta. A Funeral Mass will be celebrated Tuesday, November 10, at 11 a.m. at St. Mary's Church in Oneonta.
In lieu of flowers, donations may be made to Oneonta Dollars for Scholars to establish a scholarship for an OHS senior pursuing a career in teaching. Donate online at oneonta.dollarsforscholars.org, specifying "Joseph V. Hartmann Memorial" in the dedication field, or mail checks to Oneonta Dollars for Scholars, PO Box 1083, Oneonta, NY 13820, with "In Memory of Joseph V. Hartmann" in the memo line.
Joe will be remembered for his devotion to family, his dedication to his students, his creativity, and the lasting difference he made in so many lives.
Arrangements are by Grummons-Bookhout-Bennett Funerals & Cremations, Oneonta, NY.
Please visit www.grummonsfuneralhome.com to leave a memory or message of condolence for the family.
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