Una is a moderately popular girls' name in England & Wales, ranking #473 in 2025 with 84 recorded births. The name reached its all-time peak in 2025 with 84 births ranking #473. Since 1996, the popularity has increased by 1,100.0%. In 2025, approximately 1 in every 3,015 girls born was named Una. RISING Recent data shows the name is currently rising.