In 2025, 600 US boys were named Ronin, making it the 504th most common boys’ name of the year, down 9 places from #495 in 2024. That is 24 fewer than the 624 boys named Ronin in 2024. Its best rank for boys was #390, reached in 2020. That year also had the most boys given the name: 790. For comparison, it was #486 in 2015 and unranked in 1950.
Social Security card records list Ronin in 28 years of the 146 from 1880 to 2025, starting in 1998 with 10 babies. In all, 10,494 US babies have been given the name, 2.1% of them girls and 98% boys. Its busiest decade was the 2010s, with 4,771 babies named Ronin.
Over the 10 years from 2016 to 2025, 6,582 US boys were named Ronin; the busiest of those years was 2020, with 790. In 2025 that was about 1 in 2,847 of the boys in SSA’s list for the year.
Among the states, Ronin ranked highest in Alaska in 2025, at #138 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Ronan (20,938 babies since 1880) and Ronen (1,269 babies since 1880).