Esty is a Yiddish pet form of Esther, the Persian name usually explained as "star" and also linked to the goddess Ishtar; Queen Esther saved the Jews of Persia in the biblical story read at Purim. The nickname is used as an official name mainly in Orthodox Jewish communities in New York and New Jersey. Esty has risen from number 11057 in 2000 to a peak of number 2140 in 2024 and ranks number 2176 in 2025.