In 2025, 358 US boys were named Ambrose, making it the 735th most common boys’ name of the year, up 4 places from #739 in 2024. That is 9 more than the 349 boys named Ambrose in 2024. Its best rank for boys was #233, reached in 1881. The most boys given the name in a single year was 402, in 2021. For comparison, it was #1,588 in 2015 and #1,182 in 1950.
Social Security card records list Ambrose in every one of the 146 years from 1880 to 2025; in 1880 there were 32 babies with the name. In all, 10,911 US babies have been given the name, 0.4% of them girls and 99.6% boys. Its busiest decade was the 2020s, with 2,112 babies named Ambrose.
Over the 10 years from 2016 to 2025, 2,609 US boys were named Ambrose; the busiest of those years was 2021, with 402. In 2025 that was about 1 in 4,771 of the boys in SSA’s list for the year.
Among the states, Ambrose ranked highest in North Dakota in 2025, at #227 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Emrys (1,651 babies since 1880). Rarer spellings such as Ambrosio, Ambros and Ambrous are summarised on this page. The open nickname list we use links it to Brose.