Over the past 110 years, 227 362 boys and 103 girls have been named Jeffery. The name Jeffery ranks 157th in the United States among the most common names for boys. For the first time more than ten times newborns were named Jeffery in 1912. The peak of popularity of the name Jeffery 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.