Popularity in the United States (by decade)
Numbers
| Carol (feminine) | Carol (masculine) | |||||
| Year | Rank | Percent Used | Rank | Percent Used | ||
| 2020 | - | - | - | - | ||
| 2010 | #1585 | 0.007 | - | - | ||
| 2000 | #916 | 0.013 | - | - | ||
| 1990 | #503 | 0.025 | - | - | ||
| 1980 | #283 | 0.048 | - | - | ||
| 1970 | #130 | 0.143 | - | - | ||
| 1960 | #38 | 0.594 | #994 | 0.003 | ||
| 1950 | #16 | 1.128 | #761 | 0.004 | ||
| 1940 | #5 | 1.963 | #450 | 0.013 | ||
| 1930 | #11 | 1.066 | #348 | 0.023 | ||
| 1920 | #116 | 0.185 | #483 | 0.014 | ||
| 1910 | #230 | 0.066 | #665 | 0.009 | ||
| 1900 | #340 | 0.031 | #954 | 0.005 | ||
| 1890 | #443 | 0.017 | #1111 | 0.003 | ||
| 1880 | #624 | 0.009 | - | - | ||
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