Popularity in the United States (by decade)
Numbers
| Curtis (masculine) | Curtis (feminine) | |||||
| Year | Rank | Percent Used | Rank | Percent Used | ||
| 2020 | #740 | 0.018 | - | - | ||
| 2010 | #533 | 0.026 | - | - | ||
| 2000 | #320 | 0.045 | - | - | ||
| 1990 | #173 | 0.093 | - | - | ||
| 1980 | #101 | 0.155 | - | - | ||
| 1970 | #96 | 0.168 | - | - | ||
| 1960 | #79 | 0.241 | - | - | ||
| 1950 | #85 | 0.226 | #1825 | 0.002 | ||
| 1940 | #99 | 0.172 | #1678 | 0.002 | ||
| 1930 | #106 | 0.166 | #1500 | 0.002 | ||
| 1920 | #111 | 0.142 | #1441 | 0.003 | ||
| 1910 | #119 | 0.128 | #1468 | 0.002 | ||
| 1900 | #129 | 0.115 | #1370 | 0.003 | ||
| 1890 | #160 | 0.075 | #1859 | 0.001 | ||
| 1880 | #189 | 0.059 | - | - | ||
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