[2] Initially pursuing a career in the railroad industry to address health issues, Moore worked for 25 months and advanced from baggage handler to conductor of a passenger train by the age of 22.
Known for his legal acumen, Moore built a reputation as one of the most successful lawyers in the Beaver bar, notably never losing a case before the Supreme Court of Pennsylvania.
[2] During the Pennsylvania oil boom, Moore frequently served as an arbitrator in oil-related litigation, demonstrating a judicial temperament that later positioned him for a role on the bench.
[2] Moore adapted to the markedly different environment and legal landscape of Alaska, which contrasted sharply with the eastern United States' settled agricultural and industrial communities.
[1] Due to declining health, later in life he moved to the southern United States, and died in Spartanburg, South Carolina, at the age of 73.