In 2025, 75 US girls were named Shannon, making it the 2,405th most common girls’ name of the year, down 522 places from #1,883 in 2024. That is 32 fewer than the 107 girls named Shannon in 2024. Its best rank for girls was #17, reached in 1976. The most girls given the name in a single year was 13,547, in 1970. For comparison, it was #1,063 in 2015 and #408 in 1950.
In 2025, 41 US boys were named Shannon, making it the 3,031st most common boys’ name of the year, down 404 places from #2,627 in 2024. That is 10 fewer than the 51 boys named Shannon in 2024. Its best rank for boys was #94, reached in 1972. That year also had the most boys given the name: 3,014. For comparison, it was #1,824 in 2015 and #717 in 1950.
Social Security card records list Shannon in 122 years of the 146 from 1880 to 2025, starting in 1881 with 5 babies. In all, 348,161 US babies have been given the name, 85% of them girls and 15% boys. Its busiest decade was the 1970s, with 138,442 babies named Shannon.
Over the 10 years from 2016 to 2025, 1,269 US girls were named Shannon; the busiest of those years was 2016, with 193. In 2025 that was about 1 in 21,430 of the girls in SSA’s list for the year.
Among the states, Shannon ranked highest in Massachusetts in 2025, at #862 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Shanon (6,549 babies since 1880), Shannan (5,479 babies since 1880) and Shannen (2,071 babies since 1880). Rarer spellings such as Shanan, Shannyn and Shaneen are summarised on this page.