Kajsa is a distinctive girls' name in United States, ranking #9583 in 2006 with 12 recorded births. The name reached its all-time peak in 2010 with 18 births ranking #7055. Since 1996, the popularity has increased by 71.4%. In 2006, approximately 1 in every 158,423 girls born was named Kajsa. FALLING Recent data shows the name is currently falling.