Marnita is a distinctive girls' name in United States, ranking #15237 in 1997 with 5 recorded births. The name reached its all-time peak in 2007 with 12 births ranking #9951. Since 1996, the popularity has decreased by 44.4%. In 1997, approximately 1 in every 348,132 girls born was named Marnita. RISING Recent data shows the name is currently rising.