Over the past 110 years, 12 938 girls and 9 325 boys have been named Blair. The name Blair ranks 1131th in the United States among the most common names for girls. For the first time more than ten times newborns were named Blair in 1951. The peak of popularity of the name Blair came in the 1980s and 2010s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.