In 2025, 25 US boys were named Lonzo, making it the 4,206th most common boys’ name of the year, up 1,153 places from #5,359 in 2024. That is 7 more than the 18 boys named Lonzo in 2024. Its best rank for boys was #452, reached in 1890. The most boys given the name in a single year was 85, in 1924. For comparison, it was #8,447 in 2015 and #912 in 1950.
Social Security card records list Lonzo in 141 years of the 146 from 1880 to 2025, starting in 1880 with 10 babies. In all, 3,961 US babies have been given the name, all of them boys. Its busiest decade was the 1920s, with 659 babies named Lonzo.
Over the 10 years from 2016 to 2025, 197 US boys were named Lonzo; the busiest of those years was 2022, with 33. In 2025 that was about 1 in 68,323 of the boys in SSA’s list for the year.
The open nickname list we use links it to Lon.