Tetra is a distinctive girls' name in United States, ranking #15509 in 2018 with 6 recorded births. This places Tetra in the bottom 15% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2018 with 6 births ranking #15509. In 2018, approximately 1 in every 283,404 girls born was named Tetra. STABLE Recent data shows the name is currently stable.