Over the past 110 years, 21 569 girls and 3 369 boys have been named Teagan. The name Teagan ranks 863th in the United States among the most common names for girls. For the first time more than ten times newborns were named Teagan in 1981. The peak of popularity of the name Teagan 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.