Over the past 110 years, 5 girls and 98 164 boys have been named Dan. The name Dan ranks 18417th in the United States among the most common names for girls. For the first time more than ten times newborns were named Dan in 1934. The peak of popularity of the name Dan came in the 1930s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.