In 2025, 192 US boys were named Tiago, making it the 1,117th most common boys’ name of the year, up 37 places from #1,154 in 2024. That is 10 more than the 182 boys named Tiago in 2024. Its best rank for boys was #1,028, reached in 2022. That year also had the most boys given the name: 216. For comparison, it was #1,173 in 2015 and unranked in 1950.
Social Security card records list Tiago in 43 years of the 146 from 1880 to 2025, starting in 1982 with 5 babies. In all, 3,228 US babies have been given the name, all of them boys. Its busiest decade was the 2010s, with 1,327 babies named Tiago.
Over the 10 years from 2016 to 2025, 1,627 US boys were named Tiago; the busiest of those years was 2022, with 216. In 2025 that was about 1 in 8,896 of the boys in SSA’s list for the year.
Among the states, Tiago ranked highest in New Jersey in 2025, at #520 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Diego (126,405 babies since 1880), Jaime (121,558 babies since 1880), Santiago (103,965 babies since 1880) and Thiago (35,233 babies since 1880).