Serinity is a distinctive girls' name in United States, ranking #6911 in 2001 with 16 recorded births. This places Serinity 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 2009 with 96 births ranking #2116. In 2001, approximately 1 in every 112,535 girls born was named Serinity. FALLING Recent data shows the name is currently falling.