Thad is a distinctive boys' name in United States, ranking #3618 in 2003 with 25 recorded births. The name reached its all-time peak in 2000 with 38 births ranking #2522. Since 1996, the popularity has decreased by 30.6%. In 2003, approximately 1 in every 79,011 boys born was named Thad. FALLING Recent data shows the name is currently falling.