In 2025, 30 US girls were named Giannah, making it the 4,591st most common girls’ name of the year, down 85 places from #4,506 in 2024. That is 1 fewer than the 31 girls named Giannah in 2024. Its best rank for girls was #3,459, reached in 2021. That year also had the most girls given the name: 45. For comparison, it was #6,107 in 2015 and unranked in 1950.
Social Security card records list Giannah in 24 years of the 146 from 1880 to 2025, starting in 2002 with 5 babies. In all, 623 US babies have been given the name, all of them girls. Its busiest decade was the 2010s, with 253 babies named Giannah.
Over the 10 years from 2016 to 2025, 318 US girls were named Giannah; the busiest of those years was 2021, with 45. In 2025 that was about 1 in 53,576 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Gianna (110,388 babies since 1880) and Giana (10,431 babies since 1880).