Marline \m(a)-rli-ne, mar-line\ as a girl's name is a variant of Madeline (Hebrew) and Marlene (German), and the meaning of Marline is "woman from Magdala".
The baby name Marline sounds like Marlyne, Maraline, Marlin, Marlina, Marlane, Marlinn, Myrline and Merline. Other similar baby names are Carline, Karline, Darline, Earline, Marcine, Marine, Marlie, Marlise and Martine.