Kajsa is a distinctive girls' name in United States, ranking #17750 in 2015 with 5 recorded births. The name reached its all-time peak in 2010 with 18 births ranking #7055. Since 1996, the popularity has decreased by 28.6%. In 2015, approximately 1 in every 356,931 girls born was named Kajsa. FALLING Recent data shows the name is currently falling.