In 2025, 44 US boys were named Maddix, making it the 2,866th most common boys’ name of the year, down 715 places from #2,151 in 2024. That is 25 fewer than the 69 boys named Maddix in 2024. Its best rank for boys was #1,315, reached in 2015. That year also had the most boys given the name: 135. For comparison, it was #1,315 in 2015 and unranked in 1950.
In 2025, 9 US girls were named Maddix, making it the 10,582nd most common girls’ name of the year, down 4,024 places from #6,558 in 2024. That is 9 fewer than the 18 girls named Maddix in 2024. Its best rank for girls was #4,765, reached in 2017. That year also had the most girls given the name: 29. For comparison, it was #6,620 in 2015 and unranked in 1950.
Social Security card records list Maddix in 24 years of the 146 from 1880 to 2025, starting in 2002 with 6 babies. In all, 2,484 US babies have been given the name, 15% of them girls and 85% boys. Its busiest decade was the 2010s, with 1,377 babies named Maddix.
Over the 10 years from 2016 to 2025, 899 US boys were named Maddix; the busiest of those years was 2016, with 134. In 2025 that was about 1 in 38,820 of the boys in SSA’s list for the year.
Among the states, Maddix ranked highest in California in 2025, at #2,117 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Maddox (48,944 babies since 1880), Maddux (4,098 babies since 1880) and Maddex (1,784 babies since 1880).