Ellerey \e-lle-rey\ as a boy's name is a variant of Ellery (Old English), and the meaning of Ellerey is "alder tree". The baby name Ellerey sounds like Elrey and Ellary. Other similar baby names are Emerey, Ellger, Elger, Elmer, Clarey, Eilert, Elber, Elder, Eliezer, Ellice, Ellard, Ellyce, Ellmer, Elemer, Elmore, Ellrod, Ellrad, Elroy, Emery, Emmery, Hillery, Mallery and Valery.