Popularity in the United States (by decade)
Numbers
| Roberta (masculine) | Roberta (feminine) | |||||
| Year | Rank | Percent Used | Rank | Percent Used | ||
| 2020 | - | - | - | - | ||
| 2010 | - | - | - | - | ||
| 2000 | - | - | - | - | ||
| 1990 | - | - | #1325 | 0.007 | ||
| 1980 | - | - | #598 | 0.018 | ||
| 1970 | - | - | #307 | 0.049 | ||
| 1960 | - | - | #178 | 0.112 | ||
| 1950 | - | - | #113 | 0.192 | ||
| 1940 | #1871 | 0.001 | #81 | 0.255 | ||
| 1930 | #1879 | 0.001 | #93 | 0.251 | ||
| 1920 | - | - | #141 | 0.147 | ||
| 1910 | - | - | #157 | 0.122 | ||
| 1900 | - | - | #202 | 0.076 | ||
| 1890 | - | - | #262 | 0.048 | ||
| 1880 | - | - | #265 | 0.039 | ||
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