Popularity in the United States (by decade)
Numbers
| Kacey (feminine) | Kacey (masculine) | |||||
| Year | Rank | Percent Used | Rank | Percent Used | ||
| 2020 | #1207 | 0.011 | #1071 | 0.011 | ||
| 2010 | #1439 | 0.008 | - | - | ||
| 2000 | #1093 | 0.011 | - | - | ||
| 1990 | #705 | 0.016 | #1534 | 0.003 | ||
| 1980 | #687 | 0.014 | #1599 | 0.002 | ||
| 1970 | #1156 | 0.006 | - | - | ||
| 1960 | - | - | - | - | ||
| 1950 | - | - | - | - | ||
| 1940 | - | - | - | - | ||
| 1930 | - | - | - | - | ||
| 1920 | - | - | - | - | ||
| 1910 | - | - | - | - | ||
| 1900 | - | - | - | - | ||
| 1890 | - | - | - | - | ||
| 1880 | - | - | - | - | ||
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