Rosselyn is a distinctive girls' name in United States, ranking #7168 in 2016 with 17 recorded births. This places Rosselyn in the top 38% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2005 with 27 births ranking #4935. In 2016, approximately 1 in every 104,205 girls born was named Rosselyn. FALLING Recent data shows the name is currently falling.