Popularity in the United States (by decade)
Numbers
| Gregory (masculine) | Gregory (feminine) | |||||
| Year | Rank | Percent Used | Rank | Percent Used | ||
| 2020 | #461 | 0.035 | - | - | ||
| 2010 | #332 | 0.052 | - | - | ||
| 2000 | #191 | 0.094 | - | - | ||
| 1990 | #75 | 0.253 | - | - | ||
| 1980 | #45 | 0.487 | #1855 | 0.003 | ||
| 1970 | #29 | 0.676 | #1530 | 0.004 | ||
| 1960 | #23 | 0.956 | #1240 | 0.004 | ||
| 1950 | #26 | 0.869 | #1458 | 0.003 | ||
| 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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