Theon is a distinctive boys' name in United States, ranking #5367 in 2025 with 18 recorded births. This places Theon in the top 39% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2022 with 34 births ranking #3456. In 2025, approximately 1 in every 94,893 boys born was named Theon. FALLING Recent data shows the name is currently falling.