Popularity in the United States (by decade)
Numbers
| Harper (feminine) | Harper (masculine) | |||||
| Year | Rank | Percent Used | Rank | Percent Used | ||
| 2020 | #10 | 0.468 | #1320 | 0.008 | ||
| 2010 | #16 | 0.444 | #748 | 0.016 | ||
| 2000 | #526 | 0.028 | #1124 | 0.007 | ||
| 1990 | - | - | - | - | ||
| 1980 | - | - | - | - | ||
| 1970 | - | - | - | - | ||
| 1960 | - | - | - | - | ||
| 1950 | - | - | - | - | ||
| 1940 | - | - | - | - | ||
| 1930 | - | - | #1949 | 0.001 | ||
| 1920 | - | - | #1603 | 0.002 | ||
| 1910 | - | - | #1547 | 0.002 | ||
| 1900 | - | - | #1215 | 0.003 | ||
| 1890 | - | - | #917 | 0.005 | ||
| 1880 | - | - | #836 | 0.004 | ||
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