In 2025, 6 US girls were named Marnita, making it the 14,320th most common girls’ name of the year, down 2,541 places from #11,779 in 2024. That is 2 fewer than the 8 girls named Marnita in 2024. Its best rank for girls was #727, reached in 1962. That year also had the most girls given the name: 202. For comparison, it was unranked (under five girls) in 2015 and unranked in 1950.
Social Security card records list Marnita in 55 years of the 146 from 1880 to 2025, starting in 1942 with 7 babies. In all, 820 US babies have been given the name, all of them girls. Its busiest decade was the 1960s, with 473 babies named Marnita.
Over the 10 years from 2016 to 2025, 24 US girls were named Marnita; the busiest of those years was 2024, with 8. In 2025 that was about 1 in 267,878 of the girls in SSA’s list for the year.
Rarer spellings such as Marnetta are summarised on this page.