Fewer than five US girls were named Nicki in 2025, so it does not appear in that year’s SSA list for girls. Its best rank for girls was #736, reached in 1972. That year also had the most girls given the name: 190. For comparison, it was #8,321 in 2015 and #866 in 1950.
Social Security card records list Nicki in 88 years of the 146 from 1880 to 2025, starting in 1923 with 6 babies. In all, 6,380 US babies have been given the name, 95% of them girls and 4.7% boys. Its busiest decade was the 1970s, with 1,414 babies named Nicki.
Over the 10 years from 2016 to 2025, 45 US girls were named Nicki; the busiest of those years was 2022, with 10.
Related spellings in the SSA files include Nikki (41,005 babies since 1880), Nickie (4,596 babies since 1880), Nicky (9,442 babies since 1880) and Niki (7,277 babies since 1880).