In 2025, 70 US boys were named Mordecai, making it the 2,100th most common boys’ name of the year, down 49 places from #2,051 in 2024. That is 4 fewer than the 74 boys named Mordecai in 2024. Its best rank for boys was #1,716, reached in 2022. That year also had the most boys given the name: 99. For comparison, it was #2,319 in 2015 and #3,232 in 1950.
Social Security card records list Mordecai in 92 years of the 146 from 1880 to 2025, starting in 1912 with 6 babies. In all, 1,650 US babies have been given the name, all of them boys. Its busiest decade was the 2010s, with 514 babies named Mordecai.
Over the 10 years from 2016 to 2025, 744 US boys were named Mordecai; the busiest of those years was 2022, with 99. In 2025 that was about 1 in 24,401 of the boys in SSA’s list for the year.
Among the states, Mordecai ranked highest in North Carolina in 2025, at #1,408 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Mordechai (6,821 babies since 1880). Rarer spellings such as Mordekai are summarised on this page.