In 2025, 133 US boys were named Micaiah, making it the 1,386th most common boys’ name of the year, up 173 places from #1,559 in 2024. That is 21 more than the 112 boys named Micaiah in 2024. Its best rank for boys was #1,274, reached in 2001. The most boys given the name in a single year was 139, in 2014. For comparison, it was #1,636 in 2015 and unranked in 1950.
In 2025, 34 US girls were named Micaiah, making it the 4,240th most common girls’ name of the year, up 1,158 places from #5,398 in 2024. That is 10 more than the 24 girls named Micaiah in 2024. Its best rank for girls was #2,226, reached in 2001. That year also had the most girls given the name: 73. For comparison, it was #3,332 in 2015 and unranked in 1950.
Social Security card records list Micaiah in 52 years of the 146 from 1880 to 2025, starting in 1973 with 5 babies. In all, 4,637 US babies have been given the name, 33% of them girls and 67% boys. Its busiest decade was the 2010s, with 1,552 babies named Micaiah.
Over the 10 years from 2016 to 2025, 1,110 US boys were named Micaiah; the busiest of those years was 2025, with 133. In 2025 that was about 1 in 12,843 of the boys in SSA’s list for the year.
Among the states, Micaiah ranked highest in Virginia in 2025, at #771 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Micah (133,606 babies since 1880). Rarer spellings such as Mikaiyah are summarised on this page.