(October 20, 1862 - December 15, 1946) was an American social worker, labor activist and suffragist for women's right to vote.
She came from a prominent New York family, descended from Gershom Mendes Seixas, minister of New York's Congregation Sherith Israel during the American Revolutionary War Her sister was the author and education activist Annie Nathan Meyer and her cousins the poet Emma Lazarusand Supreme Court Justice Benjamin Cardozo. Her nephew was the author and poet Robert Nathan.