U.S. Army Staff Sergeant Robert R. Arnold, 27, of Roslindale, MA. passed away suddenly Feb. 1, 2026, leaving behind his parents, Kellie J Arnold and Frederick J Rogers of Roslindale. He was the nephew of Robert and the late Katharine Baglio (Arnold) of Mansfield, Karyn S. Arnold of Foxboro, cousins Daniel R. Arnold of Brighton, Michael R. and Mary Baglio of Taunton, and predeceased by his grandparents Robert R. and Joan M (Horwitz). He also leaves behind many friends and service brothers.

He was a proud Lance Corporal in the U.S. Marine Corp. for 5 years, before joining the U.S. Army.

Robert spoke German, Russian, French, and Latin, which he learned attending Boston Latin School, Class of 2016.

His parents will hold a Celebration of Life once he returns from Alaska.