Over the past 110 years, 21 316 girls and 30 boys have been named Tiara. The name Tiara ranks 868th in the United States among the most common names for girls. For the first time more than ten times newborns were named Tiara in 1969. The peak of popularity of the name Tiara came in the 1980s and 1990s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.