Leslie had lived in Silverton, Oregon before moving to Fairbanks, Alaska in 1976. He worked on the Trans-Alaska Pipeline as an Operating Engineer. He retired in 1992. Leslie returned to Silverton, Oregon to live, while continuing to travel up to Alaska, as well as snow birding down in Arizona in the winter months. He enjoyed hunting, fishing, and traveling. In 2015 he moved to Lake Havasu City, Arizona. He spent his last two years living in Las Vegas, Nevada.
Leslie is survived by his son, Lonnie Elling, his daughter Lori (Elling) McCracken, his grandson Matthew McCracken as well as his sister, Mavis Simonson and brother Marley Elling. Leslie was preceded in death by his parents John and Gunda Elling, and his brother, Robert (Bobby) Elling. Leslie also served proudly in the Oregon State National Guard.
A graveside service will be held at a later date in Silverton, Oregon.