Marnita is a distinctive girls' name in United States, ranking #14477 in 2012 with 7 recorded births. The name reached its all-time peak in 2007 with 12 births ranking #9951. Since 1996, the popularity has decreased by 22.2%. In 2012, approximately 1 in every 251,535 girls born was named Marnita. RISING Recent data shows the name is currently rising.