In 2025, 569 US boys were named Finnegan, making it the 526th most common boys’ name of the year, down 32 places from #494 in 2024. That is 57 fewer than the 626 boys named Finnegan in 2024. Its best rank for boys was #378, reached in 2021. That year also had the most boys given the name: 860. For comparison, it was #405 in 2015 and unranked in 1950.
Social Security card records list Finnegan in 31 years of the 146 from 1880 to 2025, starting in 1995 with 7 babies. In all, 13,115 US babies have been given the name, 0.8% of them girls and 99% boys. Its busiest decade was the 2010s, with 6,690 babies named Finnegan.
Over the 10 years from 2016 to 2025, 7,149 US boys were named Finnegan; the busiest of those years was 2021, with 860. In 2025 that was about 1 in 3,002 of the boys in SSA’s list for the year.
Among the states, Finnegan ranked highest in New Hampshire in 2025, at #102 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Finnigan (1,353 babies since 1880). Rarer spellings such as Fynnegan and Fynnigan are summarised on this page.