Kaia is a distinctive girls' name in England & Wales, ranking #750 in 2002 with 34 recorded births. The name reached its all-time peak in 2025 with 173 births ranking #265. Since 1996, the popularity has increased by 466.7%. In 2002, approximately 1 in every 7,864 girls born was named Kaia. RISING Recent data shows the name is currently rising.
Kaia is more specific than the earlier broad draft suggested. Behind the Name treats it primarily as a Norwegian and Estonian diminutive of Katarina or Katariina, which places it in the wider Katherine family.
Modern international use has given Kaia a wider feel, but the sourced route on Behind the Name is Scandinavian and Baltic rather than a loose mix of unrelated meanings. That gives the name a clearer home tradition and helps tighten the entry.