Thaddeus is a distinctive boys' name in United States, ranking #640 in 2016 with 416 recorded births. The name reached its all-time peak in 2016 with 416 births ranking #640. Since 1996, the popularity has increased by 92.6%. In 2016, approximately 1 in every 4,561 boys born was named Thaddeus. RISING Recent data shows the name is currently rising.