Gummo Marx wurde am 23 Oktober 1892 in New York City, New York, USA geboren. Er war mit Helen von Tilzer verheiratet. Er starb am 21 April 1977 in Palm Springs, California, USA.
He left The Marx Brothers just when they were reaching popularity because he felt
he lacked the performing skills of his brothers. He joined the military
instead to help with the war and was replaced by his younger
brother.