In 2025, 6 US boys were named Lyman, making it the 11,484th most common boys’ name of the year. Its best rank for boys was #271, reached in 1882. The most boys given the name in a single year was 220, in 1917. For comparison, it was #6,926 in 2015 and #719 in 1950.
Social Security card records list Lyman in 144 years of the 146 from 1880 to 2025, starting in 1880 with 31 babies. In all, 8,559 US babies have been given the name, all of them boys. Its busiest decade was the 1920s, with 1,823 babies named Lyman.
Over the 10 years from 2016 to 2025, 85 US boys were named Lyman; the busiest of those years was 2016, with 16. In 2025 that was about 1 in 284,679 of the boys in SSA’s list for the year.
Rarer spellings such as Lemon, Lehman and Leman are summarised on this page.