Marnita is a distinctive girls' name in United States, ranking #16757 in 2008 with 6 recorded births. The name reached its all-time peak in 2007 with 12 births ranking #9951. Since 1996, the popularity has decreased by 33.3%. In 2008, approximately 1 in every 315,120 girls born was named Marnita. RISING Recent data shows the name is currently rising.