Over the past 110 years, 30 209 girls and 8 705 boys have been named Kasey. The name Kasey ranks 711th in the United States among the most common names for girls. For the first time more than ten times newborns were named Kasey in 1958. The peak of popularity of the name Kasey 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.