Kaja is a distinctive girls' name in England & Wales, ranking #1469 in 2023 with 21 recorded births. This places Kaja in the top 20% of ranked UK girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2018 with 61 births ranking #657. In 2023, approximately 1 in every 12,218 girls born was named Kaja. FALLING Recent data shows the name is currently falling.