In 2025, 364 US boys were named Amos, making it the 730th most common boys’ name of the year, down 43 places from #687 in 2024. That is 31 fewer than the 395 boys named Amos in 2024. Its best rank for boys was #105, reached in 1880. The most boys given the name in a single year was 558, in 1922. For comparison, it was #726 in 2015 and #401 in 1950.
Social Security card records list Amos in every one of the 146 years from 1880 to 2025; in 1880 there were 128 babies with the name. In all, 36,600 US babies have been given the name, 0.2% of them girls and 99.8% boys. Its busiest decade was the 1920s, with 4,923 babies named Amos.
Over the 10 years from 2016 to 2025, 3,994 US boys were named Amos; the busiest of those years was 2021, with 464. In 2025 that was about 1 in 4,693 of the boys in SSA’s list for the year.
Among the states, Amos ranked highest in Montana in 2025, at #229 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Amias (3,116 babies since 1880) and Ames (1,865 babies since 1880). Rarer spellings such as Amish, Amais and Amyas are summarised on this page. The open nickname list we use links it to Moses.