Over the past 110 years, 5 girls and 33 133 boys have been named Gregg. The name Gregg ranks 18788th in the United States among the most common names for girls. For the first time more than ten times newborns were named Gregg in 1960. The peak of popularity of the name Gregg came in the 1960s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.