Theo is a highly popular boys' name in England & Wales, ranking #12 in 2025 with 2,398 recorded births. The name reached its all-time peak in 2022 with 2,808 births ranking #9. Since 1996, the popularity has increased by 1,898.3%. In 2025, approximately 1 in every 113 boys born was named Theo. STABLE Recent data shows the name is currently stable.
Theo is a warm, stylish short form usually tied to Theodore and the meaning gift of God. It manages to feel classic and modern at the same time.
Once mostly a nickname, Theo has become a major stand-alone favourite in its own right. Its success comes from its softness, simplicity, and strong classical background.