Popularity in the United States (by decade)
Numbers
| Gregory (feminine) | Gregory (masculine) | |||||
| Year | Rank | Percent Used | Rank | Percent Used | ||
| 2020 | - | - | #486 | 0.033 | ||
| 2010 | - | - | #332 | 0.052 | ||
| 2000 | - | - | #191 | 0.094 | ||
| 1990 | - | - | #75 | 0.253 | ||
| 1980 | #1855 | 0.003 | #45 | 0.487 | ||
| 1970 | #1530 | 0.004 | #29 | 0.676 | ||
| 1960 | #1241 | 0.004 | #23 | 0.956 | ||
| 1950 | #1458 | 0.003 | #26 | 0.870 | ||
| 1940 | - | - | #64 | 0.285 | ||
| 1930 | - | - | #281 | 0.035 | ||
| 1920 | - | - | #406 | 0.019 | ||
| 1910 | - | - | #469 | 0.016 | ||
| 1900 | - | - | #585 | 0.011 | ||
| 1890 | - | - | #711 | 0.007 | ||
| 1880 | - | - | #932 | 0.003 | ||
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