In 2025, 97 US boys were named Giannis, making it the 1,692nd most common boys’ name of the year, down 230 places from #1,462 in 2024. That is 27 fewer than the 124 boys named Giannis in 2024. Its best rank for boys was #1,217, reached in 2022. That year also had the most boys given the name: 162. For comparison, it was unranked (under five boys) in 2015 and unranked in 1950.
Social Security card records list Giannis in 11 years of the 146 from 1880 to 2025, starting in 2014 with 5 babies. In all, 1,083 US babies have been given the name, 3.4% of them girls and 97% boys. Its busiest decade was the 2020s, with 834 babies named Giannis.
Over the 10 years from 2016 to 2025, 1,041 US boys were named Giannis; the busiest of those years was 2022, with 162. In 2025 that was about 1 in 17,609 of the boys in SSA’s list for the year.
Among the states, Giannis ranked highest in Florida in 2025, at #1,145 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include John (5,204,377 babies since 1880), Jack (759,677 babies since 1880), Joan (488,939 babies since 1880) and Jean (483,475 babies since 1880). Rarer spellings such as Gionnis and Giannys are summarised on this page.