Popularity in the United States (by decade)
Numbers
| Casey (masculine) | Casey (feminine) | |||||
| Year | Rank | Percent Used | Rank | Percent Used | ||
| 2020 | #383 | 0.044 | #1010 | 0.014 | ||
| 2010 | #509 | 0.028 | #781 | 0.019 | ||
| 2000 | #272 | 0.058 | #347 | 0.045 | ||
| 1990 | #121 | 0.142 | #122 | 0.132 | ||
| 1980 | #86 | 0.187 | #103 | 0.151 | ||
| 1970 | #142 | 0.111 | #291 | 0.053 | ||
| 1960 | #359 | 0.024 | #1112 | 0.005 | ||
| 1950 | #454 | 0.013 | #1567 | 0.002 | ||
| 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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