Theodor is a distinctive boys' name in United States, ranking #2203 in 2016 with 62 recorded births. The name reached its all-time peak in 2022 with 88 births ranking #1836. Since 1996, the popularity has increased by 463.6%. In 2016, approximately 1 in every 30,600 boys born was named Theodor. FALLING Recent data shows the name is currently falling.