In 2025, 5 US boys were named Lonny, making it the 13,153rd most common boys’ name of the year, up 309 places from #13,462 in 2024. That is 0 more than the 5 boys named Lonny in 2024. Its best rank for boys was #527, reached in 1966. The most boys given the name in a single year was 213, in 1957. For comparison, it was unranked (under five boys) in 2015 and #585 in 1950.
Social Security card records list Lonny in 98 years of the 146 from 1880 to 2025, starting in 1920 with 5 babies. In all, 6,413 US babies have been given the name, 0.9% of them girls and 99% boys. Its busiest decade was the 1960s, with 1,793 babies named Lonny.
Over the 10 years from 2016 to 2025, 48 US boys were named Lonny; the busiest of those years was 2021, with 13. In 2025 that was about 1 in 341,615 of the boys in SSA’s list for the year.
Related spellings in the SSA files include Lonnie (101,481 babies since 1880), Loni (3,878 babies since 1880) and Lonie (2,755 babies since 1880). Rarer spellings such as Loney, Loany and Lonya are summarised on this page.