Gabor was born on June 11, 1915 in Budapest, Austria-Hungary. She was married to Jan Bychowski from 1937 until he died in 1944. Then she was married to William Rankin from 1946 until they divorced in 1947. Then she was married to Sidney R. Warren from 1947 until they divorced in 1950. Then she was married to Arthur Gallucci from 1956 until they divorced in 1957. Then she was married to George Sanders from 1970 until they divorced in 1971. She was last married to Tibor Heltai from 1972 until they divorced in 1973. 