1) English girl name 
Courtlyn is a French name for girls. The meaning is `domain of Curtius` The name Courtlyn is -as far as we know- only given to American girls. What do they use in other countries? Courtney (English) Cortney (English) Kourtney (English) Kortney (English) Cordney The name sounds like: Courtland, Cortland Similar names are: Coralyn, Courtny