In 2025, 48 US boys were named Arius, making it the 2,677th most common boys’ name of the year, down 113 places from #2,564 in 2024. That is 4 fewer than the 52 boys named Arius in 2024. Its best rank for boys was #1,854, reached in 2021. That year also had the most boys given the name: 83. For comparison, it was #1,911 in 2015 and unranked in 1950.
Social Security card records list Arius in 40 years of the 146 from 1880 to 2025, starting in 1982 with 6 babies. In all, 1,167 US babies have been given the name, 4.0% of them girls and 96% boys. Its busiest decade was the 2010s, with 472 babies named Arius.
Over the 10 years from 2016 to 2025, 555 US boys were named Arius; the busiest of those years was 2021, with 83. In 2025 that was about 1 in 35,585 of the boys in SSA’s list for the year.
Among the states, Arius ranked highest in Ohio in 2025, at #1,278 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Ares (8,576 babies since 1880), Aries (7,165 babies since 1880), Aris (4,606 babies since 1880) and Aeris (1,943 babies since 1880).