See also the related category english.
Beldayn is not popular as a baby boy name. It is not in the top 1000 names.
Baby names that sound like Beldayn include Beldane, Beldayne, Baldwenn, Baldwenne, Baldwin (English and German), Baldwine, Baldwinn, Baldwinne, Baldwyn, Baldwynn, Baldwynne, Balldwin, Balldwyn, Bealdwine, Beldaene, Beldene, Beldin (English), Belldene, Beltane, and Belton (English).
† approx English pronunciation for Beldayn: B as in "be (B.IY)" ; EH as in "ebb (EH.B)" ; L as in "lay (L.EY)" ; D as in "day (D.EY)" ; EY as in "ate (EY.T)" ; N as in "knee (N.IY)"