Over the past 110 years, 164 300 boys and 86 girls have been named Jon. The name Jon ranks 198th in the United States among the most common names for boys. For the first time more than ten times newborns were named Jon in 1915. The peak of popularity of the name Jon 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.