Over the past 110 years, 866 girls and 706 012 boys have been named Gregory. The name Gregory ranks 3961th in the United States among the most common names for girls. For the first time more than ten times newborns were named Gregory in 1951. The peak of popularity of the name Gregory came in the 1970s and 1980s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.