Tiberius is a distinctive boys' name in United States, ranking #10047 in 2005 with 7 recorded births. The name reached its all-time peak in 2015 with 109 births ranking #1521. Since 1996, the popularity has decreased by 30.0%. In 2005, approximately 1 in every 285,307 boys born was named Tiberius. FALLING Recent data shows the name is currently falling.