She graduated from Brooklyn College with a BS in 1950. She studied at the University of Maryland, and graduated from New York University with an MS in biology in 1955. She worked at Memorial Sloan–Kettering Cancer Center. She was a Fulbright Fellow to University of Milan.
She married Alex Katz on 1 February 1958.
In 1979, she co-founded the Eye and Ear Theater.
- Leslie Camhi (August 27, 2006). "Painted Lady Twitter". The New York Times.
- Jill Berk Jiminez, Joanna Banham, eds. (2001). Dictionary of artists' models. Taylor & Francis. ISBN 978-1-57958-233-3.
- David Cohen (July 19, 2007). "An Artist's Collection". The New York Sun.
- "Ada Katz papers, 1974-1977". SIRIS