Thaddeus is a distinctive boys' name in United States, ranking #731 in 2014 with 328 recorded births. The name reached its all-time peak in 2016 with 416 births ranking #640. Since 1996, the popularity has increased by 51.9%. In 2014, approximately 1 in every 5,855 boys born was named Thaddeus. RISING Recent data shows the name is currently rising.