Britain is a distinctive girls' name in United States, ranking #6054 in 2005 with 20 recorded births. The name reached its all-time peak in 2017 with 38 births ranking #3929. Since 1996, the popularity has increased by 66.7%. In 2005, approximately 1 in every 92,385 girls born was named Britain. FALLING Recent data shows the name is currently falling.