Over the past 110 years, 17 boys and 72 049 girls have been named Krystal. The name Krystal ranks 9209th in the United States among the most common names for boys. For the first time more than ten times newborns were named Krystal in 1989. The peak of popularity of the name Krystal 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.