Over the past 110 years, 1 378 girls and 974 372 boys have been named Jeffrey. The name Jeffrey ranks 3302th in the United States among the most common names for girls. For the first time more than ten times newborns were named Jeffrey in 1947. The peak of popularity of the name Jeffrey came in the 1960s and 1970s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.