In 2025, 28 US girls were named Marci, making it the 4,834th most common girls’ name of the year, up 14 places from #4,848 in 2024. That is 0 more than the 28 girls named Marci in 2024. Its best rank for girls was #331, reached in 1971. That year also had the most girls given the name: 792. For comparison, it was #6,629 in 2015 and #1,265 in 1950.
Social Security card records list Marci in 86 years of the 146 from 1880 to 2025, starting in 1938 with 5 babies. In all, 14,037 US babies have been given the name, 99.9% of them girls and 0.1% boys. Its busiest decade was the 1970s, with 4,927 babies named Marci.
Over the 10 years from 2016 to 2025, 250 US girls were named Marci; the busiest of those years was 2023, with 34. In 2025 that was about 1 in 57,402 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Marcia (133,604 babies since 1880), Marcy (22,043 babies since 1880), Marcie (15,666 babies since 1880) and Marcey (1,102 babies since 1880).