In 2025, 59 US boys were named Oak, making it the 2,344th most common boys’ name of the year, up 93 places from #2,437 in 2024. That is 2 more than the 57 boys named Oak in 2024. Its best rank for boys was #2,142, reached in 2023. That year also had the most boys given the name: 68. For comparison, it was #4,149 in 2015 and unranked in 1950.
Social Security card records list Oak in 25 years of the 146 from 1880 to 2025, starting in 1920 with 7 babies. In all, 674 US babies have been given the name, 4.0% of them girls and 96% boys. Its busiest decade was the 2020s, with 355 babies named Oak.
Over the 10 years from 2016 to 2025, 484 US boys were named Oak; the busiest of those years was 2023, with 68. In 2025 that was about 1 in 28,950 of the boys in SSA’s list for the year.
Among the states, Oak ranked highest in Tennessee in 2025, at #1,009 for boys there. It was not in the top 100 of any state. Rarer spellings such as Ok and Oc are summarised on this page.