Tadey is a distinctive boys' name in United States, ranking #10547 in 2025 with 7 recorded births. This places Tadey in the bottom 24% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2025 with 7 births ranking #10547. In 2025, approximately 1 in every 244,011 boys born was named Tadey. STABLE Recent data shows the name is currently stable.