Ruth was married to William Henry Baldwin, Jr. who also devoted his life in the welfare of the African-American migrants. At the end of 1800s, he founded the Committee for Improving the Industrial Conditions of Negroes in New York. He devoted this life for the African American people. He died in 1905. Even after the death of her husband, she continued to work for black people. Later on, she joined George Edmund Haynes and together they formed a Committee on Urban Conditions among Negroes (CUAN). After this committee collaborated with National League on Urban Conditions among Negroes, it was renamed as National Urban League. Her nationality was American but her ethnicity was unknown. Information related to her age, height, affairs and net worth was unknown.