In 2025, 44 US girls were named Marcy, making it the 3,500th most common girls’ name of the year, up 231 places from #3,731 in 2024. That is 3 more than the 41 girls named Marcy in 2024. Its best rank for girls was #256, reached in 1971. That year also had the most girls given the name: 1,155. For comparison, it was #4,461 in 2015 and #561 in 1950.
Social Security card records list Marcy in 111 years of the 146 from 1880 to 2025, starting in 1915 with 20 babies. In all, 22,043 US babies have been given the name, 99% of them girls and 1.2% boys. Its busiest decade was the 1970s, with 6,426 babies named Marcy.
Over the 10 years from 2016 to 2025, 350 US girls were named Marcy; the busiest of those years was 2025, with 44. In 2025 that was about 1 in 36,529 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Marcia (133,604 babies since 1880), Marcie (15,666 babies since 1880), Marci (14,037 babies since 1880) and Marcey (1,102 babies since 1880).