Over the past 110 years, 229 436 boys and 60 girls have been named Ian. The name Ian ranks 154th in the United States among the most common names for boys. For the first time more than ten times newborns were named Ian in 1915. The peak of popularity of the name Ian came in the 2000s and 2010s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.