[1] When his father died in an automobile accident, Treacy became the executive responsible for the sporting goods factory that his family owned in Philadelphia.

[5] Treacy portrayed the flustered father of Spanky McFarland in the Our Gang short films Bedtime Worries and Wild Poses.

Treacy played in dozens of other feature films, including small roles in Adam's Rib and The Wrong Man, as well as television programs such as The Lone Ranger, Alfred Hitchcock Presents, and Perry Mason.

He also worked for the American Red Cross as press agent for its chairman, Basil O'Connor, and as director of entertainment in the Southwest Pacific.

[8] Treacy died at the Motion Picture Country Home and Hospital[1] after undergoing surgery on January 10, 1967.