In 2025, 74 US boys were named Deegan, making it the 2,024th most common boys’ name of the year, down 349 places from #1,675 in 2024. That is 26 fewer than the 100 boys named Deegan in 2024. Its best rank for boys was #835, reached in 2011. That year also had the most boys given the name: 259. For comparison, it was #1,112 in 2015 and unranked in 1950.
Social Security card records list Deegan in 29 years of the 146 from 1880 to 2025, starting in 1997 with 6 babies. In all, 3,465 US babies have been given the name, 0.3% of them girls and 99.6% boys. Its busiest decade was the 2010s, with 1,826 babies named Deegan.
Over the 10 years from 2016 to 2025, 1,137 US boys were named Deegan; the busiest of those years was 2016, with 163. In 2025 that was about 1 in 23,082 of the boys in SSA’s list for the year.
Among the states, Deegan ranked highest in Pennsylvania in 2025, at #1,023 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Deagan (1,016 babies since 1880). Rarer spellings such as Degan, Deagen and Deagon are summarised on this page.