Horspool initially worked for the railroad in Ogden, and he relocated to Salt Lake City in 1907. He worked as a civil engineer, salesman, and draftsman. By 1931, he had become a full-time painter.[2]
Horspool died in 1951 in Salt Lake City, at the age of 80,[2] and he was buried in the Ogden City Cemetery.[3] His work is in the permanent collection of the Springville Museum of Art in Springville, Utah.[2]