Career
He represented 2nd Kings in the Legislative Assembly of Prince Edward Island from 1890 to 1893 as a Conservative. He was born in New London, Prince Edward Island, the son of William Sullivan and Mary McCarthy, Irish immigrants. He was a general merchant in Saint Peters.
Sullivan was defeated when he ran for reelection in 1893.
He died suddenly at the age of 56 while travelling to Charlottetown. His former home in Saint Peter"s Bay, now known as the Tír na nÓg Inn, has been designated as a historic place by the province.