Short or courtly
A modern phonetic spelling of Courtney. It originates from the Old French 'curt' meaning short and 'nez' meaning nose, or alternatively from a surname denoting someone from the court.
Less common today
Kortne isn't in the latest US Top 1000. It last peaked at #9,148 in 1990.
US births per 5-year period, 1990βpresent (SSA data).