Beitriss \be(i)-tri-ss, beit-riss\ as a girl's name is a variant of Beatrice (Latin), and the meaning of Beitriss is "voyager (through life); blessed".
The baby name Beitriss sounds like Beitris and Beatriss. Other similar baby names are Beeatriss, Beatrisa, Beatris and Leetriss.