Popularity in the United States (by decade)
Numbers
| Casey (feminine) | Casey (masculine) | |||||
| Year | Rank | Percent Used | Rank | Percent Used | ||
| 2020 | #1010 | 0.014 | #383 | 0.044 | ||
| 2010 | #781 | 0.019 | #509 | 0.028 | ||
| 2000 | #347 | 0.045 | #272 | 0.058 | ||
| 1990 | #122 | 0.132 | #121 | 0.142 | ||
| 1980 | #103 | 0.151 | #86 | 0.187 | ||
| 1970 | #291 | 0.053 | #142 | 0.111 | ||
| 1960 | #1112 | 0.005 | #359 | 0.024 | ||
| 1950 | #1567 | 0.002 | #454 | 0.013 | ||
| 1940 | - | - | #870 | 0.004 | ||
| 1930 | - | - | #1293 | 0.003 | ||
| 1920 | - | - | #1221 | 0.003 | ||
| 1910 | - | - | #820 | 0.006 | ||
| 1900 | - | - | #863 | 0.006 | ||
| 1890 | - | - | #1088 | 0.003 | ||
| 1880 | - | - | - | - | ||
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