Popularity in the United States (by decade)
Numbers
| Theresa (feminine) | Theresa (masculine) | |||||
| Year | Rank | Percent Used | Rank | Percent Used | ||
| 2020 | #1438 | 0.008 | - | - | ||
| 2010 | #1134 | 0.011 | - | - | ||
| 2000 | #622 | 0.022 | - | - | ||
| 1990 | #262 | 0.054 | - | - | ||
| 1980 | #132 | 0.121 | - | - | ||
| 1970 | #80 | 0.243 | - | - | ||
| 1960 | #42 | 0.514 | #1464 | 0.001 | ||
| 1950 | #39 | 0.454 | #1836 | 0.001 | ||
| 1940 | #84 | 0.240 | - | - | ||
| 1930 | #77 | 0.297 | #1792 | 0.001 | ||
| 1920 | #74 | 0.296 | - | - | ||
| 1910 | #97 | 0.216 | - | - | ||
| 1900 | #102 | 0.206 | #1873 | 0.001 | ||
| 1890 | #104 | 0.201 | - | - | ||
| 1880 | #111 | 0.179 | - | - | ||
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