Cathays and the resultant number of new workers flocking to Cardiff, in 1875 the then rural Cathays became a suburb of Cardiff. At that time, a few streets led off Woodville Road and Cathays Terrace. By 1900 the urbanisation of Cathays was virtually completed. Allensbank and Wedal farms survived briefly. In 1914 they became no more than local place names. Maindy Barracks was opened in 1871, and with United States Army troops temporarily stationed in transit in Cardiff during both World War I and World War II, the footpath between Gelligaer Street and New Zealand Road became known as " Road",
Fairwater, Double Bay company, only for it to collapse (in a major stockmarket downturn) three years later. Lady Mary Fairfax (née Marie Wein, 1922-2017) established the Australian Opera Auditions in 1964, in cooperation with the Metropolitan Opera in New York. This was the first of a string of charitable organisations connected with the arts which she joined or initiated. She had lived at Fairwater since 1968, where she conducted a never-ending salon where guests were able to admire the art works of Rodin, Epstein, Dobell and Degas. Among those she entertained were actor Rudolf Nureyev, politician Pierre Trudeau, actor Phyllis Diller, entertainer Liberace,