In 2025, 9 US boys were named Del, making it the 8,417th most common boys’ name of the year, down 1,491 places from #6,926 in 2024. That is 3 fewer than the 12 boys named Del in 2024. Its best rank for boys was #644, reached in 1958. That year also had the most boys given the name: 143. For comparison, it was #9,796 in 2015 and #801 in 1950.
Fewer than five US girls were named Del in 2025, so it does not appear in that year’s SSA list for girls. Its best rank for girls was #1,936, reached in 1956. That year also had the most girls given the name: 31. For comparison, it was unranked (under five girls) in 2015 and #2,141 in 1950.
Social Security card records list Del in 117 years of the 146 from 1880 to 2025, starting in 1909 with 5 babies. In all, 4,970 US babies have been given the name, 14% of them girls and 86% boys. Its busiest decade was the 1950s, with 1,311 babies named Del.
Over the 10 years from 2016 to 2025, 107 US boys were named Del; the busiest of those years was 2020, with 15. In 2025 that was about 1 in 189,786 of the boys in SSA’s list for the year.
Related spellings in the SSA files include Delmer (7,670 babies since 1880), Dell (6,552 babies since 1880) and Delano (5,602 babies since 1880). Rarer spellings such as Delford are summarised on this page.