Alannah is a moderately popular girls' name in England & Wales, ranking #430 in 2019 with 98 recorded births. The name reached its all-time peak in 2017 with 103 births ranking #427. Since 1996, the popularity has increased by 15.3%. In 2019, approximately 1 in every 2,858 girls born was named Alannah. RISING Recent data shows the name is currently rising.