The first name Marlo is female and male.
Marlo is a short variant of the male names Marlon and Merlin, of the female name Marilyn and of the unisex name Marlow.
For boys, Marlow means “dedicated to Mars” or “hawk”. For girls, Marlo means “sea of bitterness”, “rebelliousness” and “wished for child” or “beloved”. And derived from the unisex name Marlow, Marlo means “from the hill by the lake”, “lake remains” or “remnants of a lake”.