In 2025, 15 US boys were named Delmar, making it the 5,920th most common boys’ name of the year, down 1,179 places from #4,741 in 2024. That is 6 fewer than the 21 boys named Delmar in 2024. Its best rank for boys was #294, reached in 1931. That year also had the most boys given the name: 354. For comparison, it was #5,801 in 2015 and #558 in 1950.
Social Security card records list Delmar in 144 years of the 146 from 1880 to 2025, starting in 1880 with 6 babies. In all, 14,376 US babies have been given the name, 0.9% of them girls and 99% boys. Its busiest decade was the 1920s, with 3,256 babies named Delmar.
Over the 10 years from 2016 to 2025, 211 US boys were named Delmar; the busiest of those years was 2023, with 28. In 2025 that was about 1 in 113,872 of the boys in SSA’s list for the year.
Related spellings in the SSA files include Delmer (7,670 babies since 1880). Rarer spellings such as Delmore, Dilmer and Delmor are summarised on this page.