Over the past 110 years, 60 girls and 229 436 boys have been named Ian. The name Ian ranks 9985th in the United States among the most common names for girls. For the first time more than ten times newborns were named Ian in 1980. The peak of popularity of the name Ian came in the 1990s and 2000s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.