Mordecai is a biblical name from the Book of Esther, where Mordecai is Esther's cousin and guardian who foils a plot against the Jews, an event celebrated at Purim. The name is Babylonian in origin and means "servant of Marduk" or "follower of Marduk". In the United States Mordecai ranked number 6680 in 2000, climbed to a peak of number 1716 in 2022 and stands at number 2100 among boys' names in 2025.