Lainey is a moderately popular girls' name in England & Wales, ranking #325 in 2024 with 133 recorded births. The name reached its all-time peak in 2024 with 133 births ranking #325. Since 1996, the popularity has increased by 3,225.0%. In 2024, approximately 1 in every 1,940 girls born was named Lainey. RISING Recent data shows the name is currently rising.