Brittlyn is a distinctive girls' name in United States, ranking #10250 in 2001 with 9 recorded births. This places Brittlyn in the bottom 43% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2001 with 9 births ranking #10250. Since 1996, the popularity has increased by 28.6%. In 2001, approximately 1 in every 200,062 girls born was named Brittlyn. STABLE Recent data shows the name is currently stable.