Lainey is a moderately popular girls' name in England & Wales, ranking #216 in 2025 with 219 recorded births. The name reached its all-time peak in 2025 with 219 births ranking #216. Since 1996, the popularity has increased by 5,375.0%. In 2025, approximately 1 in every 1,157 girls born was named Lainey. RISING Recent data shows the name is currently rising.
Lainey is a warm, friendly short form usually linked to Elaine and the Helen name family. It has an easy modern feel while resting on a very old classic root.
Although informal in style, Lainey has become popular as a full given name in its own right. Its rise fits the broader move towards affectionate nickname-style names being used officially.