Career
He represented 5th Kings in the Legislative Assembly of Prince Edward Island from 1876 to 1879 as a Liberal. He was born in Georgetown, Prince Edward Island, the son of Roger Dart Westaway and Damaris Watts, both immigrants from England. He was defeated by Macdonald when he ran for reelection in 1879.
Besides owning large ships and steamships, he also owned hotels, a foundry and a shipyard.
Westaway died in Georgetown at the age of 64.