Efraim is a spelling of Ephraim, the Hebrew name of Joseph's younger son, meaning "fruitful" or doubly fruitful, whose descendants became one of the leading tribes of Israel. The f-spelling is the Spanish, Portuguese and Scandinavian form and is used in Hispanic and Jewish American families alike. Efraim ranked number 3172 in 2000, climbed to its best position of number 2196 in 2023 and stands at number 2579 in 2025.