Eilleen \e(il)-leen\ as a girl's name is a variant of Eileen. See for origin and meaning of Eilleen.
The baby name Eilleen sounds like Elleen, Jilleen and Willeen. Other similar baby names are Aileen, Eleen, Alleen, Colleen, Kolleen, Earleen, Eileene, Eilean, Eireen, Ellen, Ellee, Emaleen, Evaleen, Eveleen, Jolleen, Kelleen, Rolleen and Wileen.