In 2025, 43 US boys were named Lennix, making it the 2,912th most common boys’ name of the year, up 28 places from #2,940 in 2024. That is 0 more than the 43 boys named Lennix in 2024. Its best rank for boys was #2,851, reached in 2022. That year also had the most boys given the name: 45. For comparison, it was #4,362 in 2015 and unranked in 1950.
In 2025, 25 US girls were named Lennix, making it the 5,171st most common girls’ name of the year, down 1,441 places from #3,730 in 2024. That is 16 fewer than the 41 girls named Lennix in 2024. Its best rank for girls was #3,355, reached in 2023. That year also had the most girls given the name: 48. For comparison, it was #4,805 in 2015 and unranked in 1950.
Social Security card records list Lennix in 20 years of the 146 from 1880 to 2025, starting in 2000 with 5 babies. In all, 921 US babies have been given the name, 49% of them girls and 51% boys. Its busiest decade was the 2020s, with 468 babies named Lennix.
Over the 10 years from 2016 to 2025, 349 US boys were named Lennix; the busiest of those years was 2022, with 45. In 2025 that was about 1 in 39,723 of the boys in SSA’s list for the year.
Among the states, Lennix ranked highest in North Carolina in 2025, at #1,395 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Lennox (19,739 babies since 1880), Lenox (2,598 babies since 1880) and Lynnox (677 babies since 1880).