Over the past 110 years, 12 605 girls have been named Tiffani. The name Tiffani ranks 1144th in the United States among the most common names for girls. For the first time more than ten times newborns were named Tiffani in 1964. The peak of popularity of the name Tiffani 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.