In 2025, 27 US boys were named Konstantinos, making it the 4,002nd most common boys’ name of the year, down 1,308 places from #2,694 in 2024. That is 22 fewer than the 49 boys named Konstantinos in 2024. Its best rank for boys was #1,150, reached in 1977. That year also had the most boys given the name: 58. For comparison, it was #3,558 in 2015 and unranked in 1950.
Social Security card records list Konstantinos in 64 years of the 146 from 1880 to 2025, starting in 1962 with 8 babies. In all, 2,122 US babies have been given the name, all of them boys. Its busiest decade was the 2010s, with 428 babies named Konstantinos.
Over the 10 years from 2016 to 2025, 422 US boys were named Konstantinos; the busiest of those years was 2020, with 55. In 2025 that was about 1 in 63,262 of the boys in SSA’s list for the year.
Rarer spellings such as Constantinos are summarised on this page.