BRADDOCK, a borough of Allegheny county, Pennsylvania, U.S.A., on the Monongahela river, 10 m. S.E. of Pittsburg. Pop. (1890) 8561; (1900) 15,654, of whom 5111 were foreign-born; (1910 census) 19,357. Braddock is served by the Pennsylvania, the Baltimore & Ohio, and the Pittsburg & Lake Erie railways. Its chief industry is the manufacture of steel—especially steel rails; among its other manufactures are pig-iron, wire rods, wire nails, wire bale ties, lead pipe, brass and electric signs, cement and plaster. In 1905 the value of the borough’s factory products was $4,199,079. Braddock has a Carnegie library. Kennywood Park, near by, is a popular resort. The municipality owns and operates the water-works. Braddock was named in honour of the English general Edward Braddock, who in 1755 met defeat and death near the site of the present borough at the hands of a force of French and Indians. The borough was first settled at the close of the 18th century, and was incorporated in 1867.