Thaddeus is a distinctive boys' name in United States, ranking #708 in 2018 with 344 recorded births. The name reached its all-time peak in 2016 with 416 births ranking #640. Since 1996, the popularity has increased by 59.3%. In 2018, approximately 1 in every 5,278 boys born was named Thaddeus. RISING Recent data shows the name is currently rising.