Zo is a distinctive girls' name in United States, ranking #6899 in 2016 with 18 recorded births. This places Zo in the top 37% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2017 with 40 births ranking #3845. In 2016, approximately 1 in every 98,416 girls born was named Zo. FALLING Recent data shows the name is currently falling.