When Martin Liberman was born on September 5, 1920, in King, Washington, his father, Julius, was 27 and his mother, Ada, was 22. He married Florence Harriet Katz on June 23, 1946, in Seattle, Washington. They had one child during their marriage. He died on June 9, 2014, in Irvine, California, at the age of 93, and was buried in Mission Hills, California.