Barry, Vale of Glamorgan dock basin was opened in 1889 to be followed by two other docks and extensive port installations. The Barry Railway brought coal down from the South Wales Valleys to the new docks whose trade grew from one million tons in the first year, to over nine million tons by 1903. The port was crowded with ships and had flourishing ship repair yards, cold stores, flour mills and an ice factory. By 1913, Barry was the largest coal exporting port in the world. Behind the docks rose the terraced houses of Barry which, with Cadoxton, soon formed a sizeable town. The
Wales was 72.7 per cent, compared to 75.2 per cent across the UK as a whole. From the middle of the 19th century until the post-war era, the mining and export of coal was a dominant industry. At its peak of production in 1913, nearly 233,000 men and women were employed in the south Wales coalfield, mining 56 million tons of coal. Cardiff was once the largest coal-exporting port in the world and, for a few years before the First World War, handled a greater tonnage of cargo than either London or Liverpool. In the 1920s, over 40% of the male