1) Irish boy name 
Arlin is an Irish name for boys and girls. The meaning is `pledge, oath` The name Arlin is most commonly given to American boys. In Scotland it is (almost) solely given to boys What do they use in other countries? Arlyn Arlen Arlis The name sounds like: Arlyn, Arlan, Orlin Similar names are: Arin, Allin, Alin, Ailin, Ardin, Arlie, Armin, Arrin, Arv...