Theia is a distinctive girls' name in England & Wales, ranking #763 in 2025 with 48 recorded births. This places Theia in the top 10% of ranked UK girls' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 2021 with 95 births ranking #457. In 2025, approximately 1 in every 5,277 girls born was named Theia. FALLING Recent data shows the name is currently falling.