Eternity is a distinctive girls' name in United States, ranking #2305 in 2025 with 79 recorded births. The name reached its all-time peak in 2009 with 103 births ranking #2007. Since 1996, the popularity has increased by 119.4%. In 2025, approximately 1 in every 20,345 girls born was named Eternity. STABLE Recent data shows the name is currently stable.