Popularity in the United States (by decade)
Numbers
| Sky (feminine) | Sky (masculine) | |||||
| Year | Rank | Percent Used | Rank | Percent Used | ||
| 2020 | #752 | 0.021 | #1677 | 0.005 | ||
| 2010 | #856 | 0.017 | #1675 | 0.005 | ||
| 2000 | #990 | 0.012 | #1593 | 0.004 | ||
| 1990 | #1302 | 0.007 | #1480 | 0.003 | ||
| 1980 | - | - | #1329 | 0.003 | ||
| 1970 | - | - | #1326 | 0.003 | ||
| 1960 | - | - | - | - | ||
| 1950 | - | - | - | - | ||
| 1940 | - | - | - | - | ||
| 1930 | - | - | - | - | ||
| 1920 | - | - | - | - | ||
| 1910 | - | - | - | - | ||
| 1900 | - | - | - | - | ||
| 1890 | - | - | - | - | ||
| 1880 | - | - | - | - | ||
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