Over the past 110 years, 39 851 girls have been named Alaina. The name Alaina ranks 600th in the United States among the most common names for girls. For the first time more than ten times newborns were named Alaina in 1947. The peak of popularity of the name Alaina 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.