In 2025, 34 US girls were named Marlei, making it the 4,237th most common girls’ name of the year, up 863 places from #5,100 in 2024. That is 8 more than the 26 girls named Marlei in 2024. Its best rank for girls was #2,489, reached in 2020. That year also had the most girls given the name: 70. For comparison, it was #3,049 in 2015 and unranked in 1950.
Social Security card records list Marlei in 21 years of the 146 from 1880 to 2025, starting in 2002 with 7 babies. In all, 795 US babies have been given the name, 99% of them girls and 1.4% boys. Its busiest decade was the 2010s, with 422 babies named Marlei.
Over the 10 years from 2016 to 2025, 522 US girls were named Marlei; the busiest of those years was 2020, with 70. In 2025 that was about 1 in 47,273 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Marley (38,404 babies since 1880), Marlee (17,923 babies since 1880), Marleigh (6,111 babies since 1880) and Marlie (4,542 babies since 1880).