Loucille \lo(u)-cille, louci(l)-le\ as a girl's name is a variant of Lucille (French). See for meaning of Loucille.
The baby name Loucille sounds like Lucilla and Lucile. Other similar baby names are Cecille, Jocelle, Lorelle, Loralle, Laurelle, Lauralle, Lorilee, Lowrelle, Louella, Louise, Loucette, Lusile, Lucyle, Lucilia, Lucila, Luciela, Lucine, Lucie, Luelle and Soulle.