In 2025, 106 US girls were named Nairobi, making it the 1,870th most common girls’ name of the year, down 329 places from #1,541 in 2024. That is 33 fewer than the 139 girls named Nairobi in 2024. Its best rank for girls was #1,043, reached in 2021. That year also had the most girls given the name: 242. For comparison, it was #8,310 in 2015 and unranked in 1950.
Social Security card records list Nairobi in 40 years of the 146 from 1880 to 2025, starting in 1971 with 5 babies. In all, 1,596 US babies have been given the name, 98% of them girls and 2.2% boys. Its busiest decade was the 2020s, with 1,112 babies named Nairobi.
Over the 10 years from 2016 to 2025, 1,254 US girls were named Nairobi; the busiest of those years was 2021, with 242. In 2025 that was about 1 in 15,163 of the girls in SSA’s list for the year.
Among the states, Nairobi ranked highest in Georgia in 2025, at #1,045 for girls there. It was not in the top 100 of any state. Rarer spellings such as Nairoby and Nayrobi are summarised on this page.