In 2025, 23 US boys were named Yiannis, making it the 4,534th most common boys’ name of the year, down 847 places from #3,687 in 2024. That is 8 fewer than the 31 boys named Yiannis in 2024. Its best rank for boys was #3,687, reached in 2024. That year also had the most boys given the name: 31. For comparison, it was #6,669 in 2015 and unranked in 1950.
Social Security card records list Yiannis in 34 years of the 146 from 1880 to 2025, starting in 1981 with 5 babies. In all, 400 US babies have been given the name, all of them boys. Its busiest decade was the 2020s, with 153 babies named Yiannis.
Over the 10 years from 2016 to 2025, 213 US boys were named Yiannis; the busiest of those years was 2024, with 31. In 2025 that was about 1 in 74,264 of the boys in SSA’s list for the year.
Related spellings in the SSA files include John (5,204,377 babies since 1880), Jack (759,677 babies since 1880), Jean (483,475 babies since 1880) and Juan (368,366 babies since 1880).