Popularity in the United States (by decade)
Numbers
| Brett (feminine) | Brett (masculine) | |||||
| Year | Rank | Percent Used | Rank | Percent Used | ||
| 2020 | - | - | #1025 | 0.011 | ||
| 2010 | - | - | #644 | 0.020 | ||
| 2000 | - | - | #233 | 0.069 | ||
| 1990 | #1899 | 0.004 | #106 | 0.172 | ||
| 1980 | #1297 | 0.006 | #77 | 0.215 | ||
| 1970 | #1549 | 0.004 | #94 | 0.169 | ||
| 1960 | - | - | #128 | 0.132 | ||
| 1950 | - | - | #264 | 0.035 | ||
| 1940 | - | - | #897 | 0.004 | ||
| 1930 | - | - | - | - | ||
| 1920 | - | - | - | - | ||
| 1910 | - | - | - | - | ||
| 1900 | - | - | - | - | ||
| 1890 | - | - | - | - | ||
| 1880 | - | - | - | - | ||
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