[ syll. cou-(r)tlyn, co-urtl-yn ] The baby girl name Courtlyn is also used as a boy name. Courtlyn is of Old French origin and it is used mainly in English. Courtlyn is a form of the English Courtney.
Courtlyn is uncommon as a baby girl name. It is not in the top 1000 names.
A baby name that sounds like Courtlyn is the name Courtline.