During the 17th and 18th centuries, the port was used for the transit of significant quantities of cattle, hides, butter, barley, oats, and oatmeal being exported and with the city's linen exports well established. Imports included wood, iron, maize and coal. The town prospered due to the trade with wealthy merchants setting up homes along the then fashionable Castle Street and Radcliffe Street (later renamed Grattan Street). This wealth is demonstrated by the Cathedral of John the Baptist, which was completed as early as 1730, to designs by Richard Cassels.