Over the past 110 years, 28 677 girls have been named Keira. The name Keira ranks 733th in the United States among the most common names for girls. For the first time more than ten times newborns were named Keira in 1971. The peak of popularity of the name Keira 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.