Cortney is a distinctive girls' name in United States, ranking #646 in 1998 with 357 recorded births. The name reached its all-time peak in 1996 with 467 births ranking #510. Since 1996, the popularity has decreased by 23.6%. In 1998, approximately 1 in every 4,949 girls born was named Cortney. FALLING Recent data shows the name is currently falling.