Courtney \co(u)-rt-ney, cour-tney\ as a boy's name (also used as girl's name Courtney), is of Old English origin, and the meaning of Courtney is "domain of Curtis". Surname and place name, originally a Norman baronial name from places in Northen France called Courtenay. In earlier times, it was wrongly taken as a nickname derived from Old French "court nez", meaning "short nose". Usually feminine in America nowadays. Actors Tom Courtenay, Courtney B. Vance.