Theodore is an extremely popular boys' name in United States, ranking #7 in 2023 with 11,084 recorded births. The name reached its all-time peak in 2024 with 12,011 births ranking #4. Since 1996, the popularity has increased by 1,124.8%. In 2023, approximately 1 in every 154 boys born was named Theodore. RISING Recent data shows the name is currently rising.