Dalles \d(al)-les\ as a girl's name (also used as boy's name Dalles), is a variant of Dallas (Scottish, Gaelic), and the meaning of Dalles is "from the dales, the valley meadows".
The baby name Dalles sounds like Dallis, Dellis, Dyllis and Dillys. Other similar baby names are Palles, Delle, Alles, Dalla, Dale, Dayle, Daile, Dolley, Dollee, Dalores, Holles, Pallas, Talley, Tallee, Wallis, Wallys and Walless.