Tiahna is a distinctive girls' name in United States, ranking #4966 in 2000 with 24 recorded births. This places Tiahna in the top 28% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2003 with 32 births ranking #4209. In 2000, approximately 1 in every 75,666 girls born was named Tiahna. FALLING Recent data shows the name is currently falling.