In 2025, 8 US girls were named Mariann, making it the 11,549th most common girls’ name of the year, down 755 places from #10,794 in 2024. That is 1 fewer than the 9 girls named Mariann in 2024. Its best rank for girls was #522, reached in 1957. That year also had the most girls given the name: 337. For comparison, it was #9,307 in 2015 and #727 in 1950.
Social Security card records list Mariann in 114 years of the 146 from 1880 to 2025, starting in 1912 with 12 babies. In all, 7,192 US babies have been given the name, all of them girls. Its busiest decade was the 1950s, with 1,939 babies named Mariann.
Over the 10 years from 2016 to 2025, 127 US girls were named Mariann; the busiest of those years was 2016, with 20. In 2025 that was about 1 in 200,908 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Marian (143,295 babies since 1880), Maryann (63,005 babies since 1880), Maryanne (13,891 babies since 1880) and Marion (261,713 babies since 1880). Rarer spellings such as Mariahann are summarised on this page.