Byrn \b(y)-rn\ as a boy's name is a variant of Bourne (Middle English) and Burns (Middle English), and the meaning of Byrn is "stream; brook".

The baby name Byrn sounds like Bern, Burn, Born, Byrne, Byron, Byren and Byran. Other similar baby names are Byrd, Ayron, Ayren, Hern, Bert, Arn, Bain, Bayrd, Barr, Bard, Bar, Ban, Berk, Birk, Barny, Barni, Barna, Baron, Bari, Bart, Ben, Benn, Berg, Burg, Berl, Bjorn, Berny, Berne, Bernt, Bernd, Burt, Birny, Bjarn, Borg, Burne, Bourn, Borne, Boyn, Bran, Bren, Bryon, Bryen, Bryan, Bri, Bron, Bryn, Burr, Burk, Burl, Byrnes, Byram, Bird, Byrum, Byrom, Biron, Biren, Beyron, Beyren, Cyran, Jorn, Kern, Kyran, Kyron, Lyron, Lorn, Myron, Tern, Tyron and Vern.