In 2025, 8 US boys were named Thad, making it the 9,610th most common boys’ name of the year, up 4,426 places from #14,036 in 2024. That is 3 more than the 5 boys named Thad in 2024. Its best rank for boys was #401, reached in 1967. That year also had the most boys given the name: 365. For comparison, it was #5,266 in 2015 and #1,061 in 1950.
Social Security card records list Thad in every one of the 146 years from 1880 to 2025; in 1880 there were 6 babies with the name. In all, 8,224 US babies have been given the name, 0.1% of them girls and 99.9% boys. Its busiest decade was the 1960s, with 1,963 babies named Thad.
Over the 10 years from 2016 to 2025, 117 US boys were named Thad; the busiest of those years was 2017, with 18. In 2025 that was about 1 in 213,510 of the boys in SSA’s list for the year.
Related spellings in the SSA files include Thaddeus (26,089 babies since 1880), Tad (6,929 babies since 1880) and Tadd (1,457 babies since 1880). Rarer spellings such as Thadd, Tade and Thade are summarised on this page. The open nickname list we use links it to Thaddeus.