Popularity in the United States (by decade)
Numbers
| Clarence (masculine) | Clarence (feminine) | |||||
| Year | Rank | Percent Used | Rank | Percent Used | ||
| 2020 | #1373 | 0.007 | - | - | ||
| 2010 | #1088 | 0.009 | - | - | ||
| 2000 | #758 | 0.012 | - | - | ||
| 1990 | #480 | 0.022 | - | - | ||
| 1980 | #289 | 0.038 | - | - | ||
| 1970 | #211 | 0.062 | - | - | ||
| 1960 | #167 | 0.089 | - | - | ||
| 1950 | #116 | 0.144 | - | - | ||
| 1940 | #81 | 0.239 | #1971 | 0.001 | ||
| 1930 | #46 | 0.393 | #1410 | 0.003 | ||
| 1920 | #30 | 0.585 | #1219 | 0.003 | ||
| 1910 | #24 | 0.708 | #1218 | 0.003 | ||
| 1900 | #17 | 0.925 | #1408 | 0.003 | ||
| 1890 | #17 | 0.966 | #1392 | 0.002 | ||
| 1880 | #18 | 0.744 | #1345 | 0.001 | ||
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