Cortni is a distinctive girls' name in United States, ranking #7522 in 2002 with 14 recorded births. The name reached its all-time peak in 1997 with 33 births ranking #3462. Since 1996, the popularity has decreased by 33.3%. In 2002, approximately 1 in every 128,344 girls born was named Cortni. FALLING Recent data shows the name is currently falling.