In 2025, 60 US boys were named Lex, making it the 2,322nd most common boys’ name of the year, down 100 places from #2,222 in 2024. That is 5 fewer than the 65 boys named Lex in 2024. Its best rank for boys was #913, reached in 1956. The most boys given the name in a single year was 94, in 2012. For comparison, it was #2,081 in 2015 and #1,114 in 1950.
Social Security card records list Lex in 120 years of the 146 from 1880 to 2025, starting in 1892 with 5 babies. In all, 4,010 US babies have been given the name, 0.4% of them girls and 99.6% boys. Its busiest decade was the 2010s, with 785 babies named Lex.
Over the 10 years from 2016 to 2025, 813 US boys were named Lex; the busiest of those years was 2021, with 93. In 2025 that was about 1 in 28,468 of the boys in SSA’s list for the year.
Among the states, Lex ranked highest in Illinois in 2025, at #1,413 for boys there. It was not in the top 100 of any state. Rarer spellings such as Lexe are summarised on this page.
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. That is where the name is used, not necessarily where it comes from.