Thy is a distinctive girls' name in United States, ranking #6673 in 2002 with 17 recorded births. The name reached its all-time peak in 2002 with 17 births ranking #6673. Since 1996, the popularity has increased by 142.9%. In 2002, approximately 1 in every 105,695 girls born was named Thy. STABLE Recent data shows the name is currently stable.