Born in India, Simonds-Gooding has lived in Co. Kerry since 1947. She studied at the National College of Art & Design, Dublin, Le Centre de Peinture Bruxelles, and Bath Academy Corsham.
In 1981 she was elected a member of Aosdána. She joined Grapic Studio Dublin in 1974.
As well as many group exhibitions, she has exhibited regularly with the Royal Hibernian Academy, Dublin. Solo exhibitions include the Betty Pearsons Gallery, New York (1978, 1982), Crawford Municipal Art Gallery, Cork (1985); Taylor Galleries, Dublin (1980, 85, 87, 98, and 2004), Graphic Studio Gallery, Dublin (2000), and Writers Week Listowel (2007).
Her work is held in many public collections, including the Irish Museum of Modern Art, Dublin; Department of Foreign Affairs, Dublin; Albuquerque Museum, New Mexico; Hirshorn Museum, Washington, D.C.; Israel Museum, Jerusalem; National Gallery of Modern Art, New Delhi; Saatchi Collection, London; and the Metropolitan Museum of Art, New York.