Courtly or polite; dweller by the court
A modern American invention likely combining the surname-derived 'Court' or 'Courtney' with the popular suffix '-lynn'. It suggests a refined or courtly nature, drawing from the Old French 'cort' meaning a court or yard.
About 5 girls were named Cortlynn in 2025.
US births per 5-year period, 1990–present (SSA data).