In 2025, 100 US boys were named Ignatius, making it the 1,664th most common boys’ name of the year, up 78 places from #1,742 in 2024. That is 5 more than the 95 boys named Ignatius in 2024. Its best rank for boys was #555, reached in 1906. The most boys given the name in a single year was 100, in 2025. For comparison, it was #2,242 in 2015 and #1,913 in 1950.
Social Security card records list Ignatius in 140 years of the 146 from 1880 to 2025, starting in 1885 with 5 babies. In all, 4,075 US babies have been given the name, all of them boys. Its busiest decade was the 1920s, with 737 babies named Ignatius.
Over the 10 years from 2016 to 2025, 822 US boys were named Ignatius; the busiest of those years was 2025, with 100. In 2025 that was about 1 in 17,081 of the boys in SSA’s list for the year.
Among the states, Ignatius ranked highest in Kansas in 2025, at #367 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Ignacio (19,969 babies since 1880). Rarer spellings such as Ignatuis are summarised on this page. The open nickname list we use links it to Iggy, Nace, Nate and Natius.