In 2025, 238 US boys were named Mordechai, making it the 967th most common boys’ name of the year, down 8 places from #959 in 2024. That is 1 more than the 237 boys named Mordechai in 2024. Its best rank for boys was #750, reached in 2018. That year also had the most boys given the name: 315. For comparison, it was #1,104 in 2015 and #2,950 in 1950.
Social Security card records list Mordechai in 73 years of the 146 from 1880 to 2025, starting in 1950 with 8 babies. In all, 6,821 US babies have been given the name, all of them boys. Its busiest decade was the 2010s, with 2,100 babies named Mordechai.
Over the 10 years from 2016 to 2025, 2,438 US boys were named Mordechai; the busiest of those years was 2018, with 315. In 2025 that was about 1 in 7,177 of the boys in SSA’s list for the year.
Among the states, Mordechai ranked highest in New York in 2025, at #134 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Mordecai (1,650 babies since 1880).