Susy \s(u)-sy\ as a girl's name is a variant of Susan (Hebrew), and the meaning of Susy is "lily".

The baby name Susy sounds like Suzy, Susi and Suse. Other similar baby names are Suky, Lesy, Gus, Casy, Kasy, Sissy, Sessy, Dusa, Lusa, Essy, Issy, Josy, Lucy, Rosy, Sasa, Sula, Sky, Sofy, Stasy, Sukey, Sunny, Suri, Suzi, Suze, Susie, Susee, Sue and Suzu.