Tiberius is a distinctive boys' name in United States, ranking #12590 in 2003 with 5 recorded births. The name reached its all-time peak in 2015 with 109 births ranking #1521. Since 1996, the popularity has decreased by 50.0%. In 2003, approximately 1 in every 395,054 boys born was named Tiberius. FALLING Recent data shows the name is currently falling.