The story of Kassie
Kassie is rare for girls in the United States, ranked #3,010 in 2025 with 55 babies given the name. It is currently holding steady compared with a decade ago.
Since 1919, 7,034 American babies have been named Kassie. Its peak came in 1987, when 294 newborns received the name, the signature sound of the 1980s.
The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Kassie stood among all girls' names in any year, or use the compare tool to plot it against other names.