Popularity in the United States (by decade)
Numbers
| Willie (masculine) | Willie (feminine) | |||||
| Year | Rank | Percent Used | Rank | Percent Used | ||
| 2020 | #1162 | 0.009 | - | - | ||
| 2010 | #755 | 0.016 | - | - | ||
| 2000 | #490 | 0.024 | - | - | ||
| 1990 | #290 | 0.047 | - | - | ||
| 1980 | #163 | 0.088 | - | - | ||
| 1970 | #118 | 0.140 | #1168 | 0.006 | ||
| 1960 | #92 | 0.203 | #505 | 0.019 | ||
| 1950 | #53 | 0.324 | #269 | 0.051 | ||
| 1940 | #38 | 0.478 | #148 | 0.122 | ||
| 1930 | #33 | 0.576 | #104 | 0.216 | ||
| 1920 | #28 | 0.598 | #72 | 0.305 | ||
| 1910 | #26 | 0.686 | #66 | 0.331 | ||
| 1900 | #14 | 1.209 | #61 | 0.398 | ||
| 1890 | #18 | 0.800 | #75 | 0.302 | ||
| 1880 | #30 | 0.502 | #89 | 0.243 | ||
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