Britney is a moderately popular girls' name in England & Wales, ranking #148 in 1999 with 314 recorded births. The name reached its all-time peak in 1999 with 314 births ranking #148. Since 1996, the popularity has increased by 7,750.0%. In 1999, approximately 1 in every 897 girls born was named Britney. RISING Recent data shows the name is currently rising.