Kajsa is a distinctive girls' name in United States, ranking #7766 in 1998 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 1998, approximately 1 in every 147,241 girls born was named Kajsa. FALLING Recent data shows the name is currently falling.