Popularity in the United States (by decade)
Numbers
| Cortney (feminine) | Cortney (masculine) | |||||
| Year | Rank | Percent Used | Rank | Percent Used | ||
| 2020 | - | - | - | - | ||
| 2010 | - | - | - | - | ||
| 2000 | #1656 | 0.006 | - | - | ||
| 1990 | #405 | 0.033 | #1753 | 0.003 | ||
| 1980 | #346 | 0.038 | #768 | 0.007 | ||
| 1970 | #784 | 0.011 | #1034 | 0.004 | ||
| 1960 | - | - | - | - | ||
| 1950 | - | - | - | - | ||
| 1940 | - | - | - | - | ||
| 1930 | - | - | - | - | ||
| 1920 | - | - | - | - | ||
| 1910 | - | - | - | - | ||
| 1900 | - | - | - | - | ||
| 1890 | - | - | - | - | ||
| 1880 | - | - | - | - | ||
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