Kourtni is a distinctive girls' name in United States, ranking #4567 in 1998 with 24 recorded births. The name reached its all-time peak in 1997 with 34 births ranking #3405. Since 1996, the popularity has increased by 14.3%. In 1998, approximately 1 in every 73,620 girls born was named Kourtni. FALLING Recent data shows the name is currently falling.