In 1958, Crapp and Fraser returned to the pool, while Ilsa Konrads emerged as a leading swimmer. At the Australian Championships, Morgan came third in both the 110-yard and 440-yard freestyle events; Fraser won both and Crapp and Konrads placed second in the 110-yard and 440-yard freestyle respectively. Morgan was selected for the 1958 British Empire and Commonwealth Games in Cardiff, Wales, but only in the 4×110-yard freestyle relay. Along with Fraser, Crapp and Konrads, she broke the world record for the event in March in Sydney with a time of 4 minutes 18.9 seconds. At the Empire Games, Fraser, Crapp, Morgan and Colquhoun lowered the world record to a time of 4 minutes 17.4 seconds to win gold.