Fewer than five US girls were named Elois in 2025, so it does not appear in that year’s SSA list for girls. Its best rank for girls was #781, reached in 1935. That year also had the most girls given the name: 75. For comparison, it was unranked (under five girls) in 2015 and #1,435 in 1950.
Social Security card records list Elois in 67 years of the 146 from 1880 to 2025, starting in 1895 with 5 babies. In all, 2,652 US babies have been given the name, 99.6% of them girls and 0.4% boys. Its busiest decade was the 1930s, with 637 babies named Elois.
In none of the 10 years from 2016 to 2025 were five or more US girls named Elois.
Related spellings in the SSA files include Lois (335,594 babies since 1880), Eloise (72,815 babies since 1880), Alois (2,711 babies since 1880) and Elias (129,502 babies since 1880).