Career
She played between 1938 and 1959, and was considered a top 20 player, winning the Irish Open (1950), Israel International (1950), Cologne International (1951), Baden-Baden (1951) and Welsh International (1954), and several times the Rio de la Plata Championship. Mary Terán was persecuted by the military dictatorship which came to power in 1955 because of her sympathy and identification with the Peronist Movement, forcing her into exile in Spain and Uruguay and to retire from tennis at the end of the 1950s, and excluding her from all recognition, by the press and also sport organizations. Until the 1980s, Argentina"s tennis was a sport for the upper classes.
Mary Terán confronted the leaders of the Argentine Tennis Association, with the goal of promoting tennis among common people.
In the early 1980s she organized a campaign to support Guillermo Vilas and help to spread tennis in the country, when the Argentine Tennis Association was campaigning against Vilas. After the return of democracy to Argentina at the end of 1983 she continued to be ignored by the media and the government.
A few months later, she committed suicide by jumping from the seventh floor of a building in the city of March del Plata, at the age of 66. In 2007 the City of Buenos Aires honoured her by naming the new tennis stadium of the city Estadio Mary Terán de Weiss.