After the governor left Newfoundland , Pearl renamed the site Mount Pearl .
In 1830 , Commander Pearl built a house upon the most elevated section of his estate and named it Mount Cochrane in honour of then - governor Sir Thomas Cochrane .
After the governor left Newfoundland , Commander renamed the site Mount Pearl .
In 1830 , Commander Pearl built a house upon the most elevated section of his estate and named it Mount Cochrane in honour of then - governor Sir Thomas Cochrane .