Britney is a moderately popular girls' name in United States, ranking #137 in 2000 with 2,404 recorded births. The name reached its all-time peak in 2000 with 2,404 births ranking #137. Since 1996, the popularity has increased by 243.9%. In 2000, approximately 1 in every 755 girls born was named Britney. FALLING Recent data shows the name is currently falling.