Colony of the British Empire, South America, administered by a governor and an executive council; area, 89,480 square miles.
Christianity was introduced into Guiana by Spanish Franciscans early in the 16th century.
The spread of the Faith however is due chiefly to Portuguese missionaries who arrived the following century.
Their labors were continued by Dominicans, Capuchins, and finally by Jesuits, who established most of the permanent missions and settlements there.
New Catholic Dictionary