Popularity in the United States (by decade)
Numbers
| Royal (masculine) | Royal (feminine) | |||||
| Year | Rank | Percent Used | Rank | Percent Used | ||
| 2020 | #384 | 0.044 | #865 | 0.018 | ||
| 2010 | #611 | 0.022 | #1086 | 0.012 | ||
| 2000 | #1732 | 0.004 | - | - | ||
| 1990 | #1788 | 0.002 | - | - | ||
| 1980 | #1413 | 0.003 | - | - | ||
| 1970 | #1123 | 0.003 | - | - | ||
| 1960 | #877 | 0.004 | - | - | ||
| 1950 | #707 | 0.005 | - | - | ||
| 1940 | #559 | 0.009 | - | - | ||
| 1930 | #493 | 0.012 | - | - | ||
| 1920 | #423 | 0.018 | - | - | ||
| 1910 | #419 | 0.019 | - | - | ||
| 1900 | #383 | 0.021 | - | - | ||
| 1890 | #330 | 0.024 | - | - | ||
| 1880 | #325 | 0.023 | - | - | ||
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