In 2025, 65 US boys were named Lyndon, making it the 2,199th most common boys’ name of the year, down 437 places from #1,762 in 2024. That is 29 fewer than the 94 boys named Lyndon in 2024. Its best rank for boys was #346, reached in 1964. That year also had the most boys given the name: 515. For comparison, it was #1,196 in 2015 and #813 in 1950.
In 2025, 16 US girls were named Lyndon, making it the 7,015th most common girls’ name of the year, up 2,304 places from #9,319 in 2024. That is 5 more than the 11 girls named Lyndon in 2024. Its best rank for girls was #4,118, reached in 2018. That year also had the most girls given the name: 35. For comparison, it was #5,591 in 2015 and unranked in 1950.
Social Security card records list Lyndon in 120 years of the 146 from 1880 to 2025, starting in 1904 with 6 babies. In all, 10,120 US babies have been given the name, 4.1% of them girls and 96% boys. Its busiest decade was the 1960s, with 2,039 babies named Lyndon.
Over the 10 years from 2016 to 2025, 1,057 US boys were named Lyndon; the busiest of those years was 2017, with 155. In 2025 that was about 1 in 26,278 of the boys in SSA’s list for the year.
Among the states, Lyndon ranked highest in Pennsylvania in 2025, at #1,360 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Lynden (2,272 babies since 1880) and Linden (6,100 babies since 1880). Rarer spellings such as Lindon, Lendon and Lindyn are summarised on this page. The open nickname list we use links it to Lindy and Lynn.