Over the past 110 years, 15 015 girls and 1 504 boys have been named Cortney. The name Cortney ranks 1039th in the United States among the most common names for girls. For the first time more than ten times newborns were named Cortney in 1966. The peak of popularity of the name Cortney came in the 1980s and 1990s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.