Born in Lisbon, she lived in Carcavelos until the age of 18. Studied in St. Julian's School and in the University of Lisbon.She worked as a theatre critic and translated works from German, English and French literature. Also did historic and literary research on the Portuguese 16th century.In 1974 she was one of the founders of the "Teatro Hoje" theatre company.
Some of her most admired works appeared late in her life, including Epístolas e memorandos (1996) and Cenas vivas (2000).Mendes, Victor K., "Portuguese" section of "Literature" article in Britannica Book of the Year 2007, published by the Encyclopedia Britannica, online version retrieved January 14, 2009 Both in 1996 and 2000, Fiama Hasse Pais Brandão was distinguished with the Portuguese Writers Association's Poetry Prize.