He was the son of James Hobart Moore, a wealthy businessman with controlling interest in the National Biscuit Company, Continental Can, Diamond Match Company and the Chicago, Rock Island & Pacific Railroad; and his wife Lora Moore.

[1] He died in the Chez Shaw brothel in Chicago's Levee district after spending much of the previous night at the Everleigh Club.

[2] Drugs were suspected in his death, which led to a crackdown on brothels and morphine abuse in Chicago.

[3][4] In 1904 he was part of the American Olympic golf team which won the gold medal.

In the individual competition he finished 19th in the qualification and was eliminated in the second round of the match play.