In 2025, 358 US girls were named Lettie, making it the 757th most common girls’ name of the year, up 179 places from #936 in 2024. That is 76 more than the 282 girls named Lettie in 2024. Its best rank for girls was #184, reached in 1881. The most girls given the name in a single year was 358, in 2025. For comparison, it was #1,927 in 2015 and #1,119 in 1950.
Social Security card records list Lettie in 140 years of the 146 from 1880 to 2025, starting in 1880 with 62 babies. In all, 11,097 US babies have been given the name, all of them girls. Its busiest decade was the 1920s, with 1,564 babies named Lettie.
Over the 10 years from 2016 to 2025, 1,825 US girls were named Lettie; the busiest of those years was 2025, with 358. In 2025 that was about 1 in 4,490 of the girls in SSA’s list for the year.
Among the states, Lettie ranked highest in North Dakota in 2025, at #225 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Letty (4,615 babies since 1880) and Letti (599 babies since 1880). Rarer spellings such as Lethia, Littie and Letia are summarised on this page.