Pittsburgh is a Hasidic dynasty founded in Pittsburgh, Pennsylvania in 1924 by Rabbi Yosef Leifer, a Hungarian rabbi and descendant of Rabbi Mordechai of Nadvorna. This is one of the few Hasidic dynasties named after an American city (others are Boston, Cleveland, Milwaukee[broken anchor] and Philadelphia).
After flourishing in America for 46 years, the Hasidut was relocated to the Israeli coastal city of Ashdod under the leadership of Rabbi Yosef Leifer's son and successor, Rabbi Avraham Abba Leifer. The Hasidut was led by Rabbi Avraham Abba's son, Rabbi Mordechai Yissachar Ber Leifer, who died Chol Hamoed Succos 2020, presided over a nucleus of about 100 Pittsburgher families in Ashdod as well as families in Jerusalem, Bnei Brak, Beit Hilkia, New York City and California.[1] Owing to the small size of the Hasidut, each member had a personal relationship with the Rebbe and Rebbetzin, who spoke English, Hebrew and Yiddish.