Lenox is a distinctive girls' name in United States, ranking #14339 in 2010 with 7 recorded births. This places Lenox in the bottom 28% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2015 with 54 births ranking #3111. In 2010, approximately 1 in every 253,904 girls born was named Lenox. FALLING Recent data shows the name is currently falling.