Allyson \a-lly-son\ as a boy's name (also used as girl's name Allyson), is a variant of Alison (Old English), and the meaning of Allyson is "son of the noble".
The baby name Allyson sounds like Allson, Allison and Ellyson. Other similar baby names are Allyn, Allon, Alanson, Allisoun, Alisson, Allston, Allton, Ellison and Ellson.