In 2025, 2,692 US girls were named Lydia, making it the 92nd most common girls’ name of the year, up 5 places from #97 in 2024. That is 14 more than the 2,678 girls named Lydia in 2024. Its best rank for girls was #75, reached in 1883. The most girls given the name in a single year was 3,652, in 2014. For comparison, it was #80 in 2015 and #223 in 1950.
Social Security card records list Lydia in every one of the 146 years from 1880 to 2025; in 1880 there were 302 babies with the name. In all, 187,317 US babies have been given the name, 99.8% of them girls and 0.1% boys. Its busiest decade was the 2010s, with 32,748 babies named Lydia.
Over the 10 years from 2016 to 2025, 29,856 US girls were named Lydia; the busiest of those years was 2016, with 3,625. In 2025 that was about 1 in 597 of the girls in SSA’s list for the year.
Among the states, Lydia ranked highest in Iowa in 2025, at #28 for girls there. It was in the top 100 in 32 states (counting DC). Related spellings in the SSA files include Lidia (11,326 babies since 1880) and Lyda (4,978 babies since 1880). Rarer spellings such as Leydi, Lidya and Lydie are summarised on this page. The open nickname list we use links it to Lyddy.
Meaning
Meaning not yet researched.
We publish a meaning only with a cited source and a confidence label, and never generate one. Meanings are being researched for the most common names first.
Wikidata records this spelling as a given name in Dutch, English, French, Spanish and Swedish. That is where the name is used, not necessarily where it comes from.