Sissey \s(is)-sey\ as a girl's name is a variant of Sissy. See for origin and meaning of Sissey.
The baby name Sissey sounds like Sissee and Cissey. Other similar baby names are Cassey, Kassey, Sissie, Sissela, Siseel, Sisely, Sessy, Lissy, Jessey, Lassey, Missy, Cissy, Cissee, Stasey and Tessey.