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.
Less common today
Cortlynn isn't in the latest US Top 1000. It last peaked at #8,225 in 2015.
US births per 5-year period, 1990βpresent (SSA data).