Alannah is a distinctive girls' name in England & Wales, ranking #767 in 2021 with 48 recorded births. The name reached its all-time peak in 2017 with 103 births ranking #427. Since 1996, the popularity has decreased by 43.5%. In 2021, approximately 1 in every 5,709 girls born was named Alannah. RISING Recent data shows the name is currently rising.