Kourtlyn is of American origin, derived from the courtly 'Curtenay' and 'Courtenay', which means 'from the court'. It gained popularity in the United States during the late 20th century. The spelling variation 'Kourtney' is more common, but 'Kourtlyn' offers a unique twist while still maintaining its association with the word 'court'.
"The name Kourtlyn experienced a significant rise in popularity from the late 2000s onwards, with a total of 377 babies named Kourtlyn between 1992 and 2023."