He married Dorothea in 1864 during a visit to Bremen and brought her back with him to the United States and they lived in a brownstone house in Brooklyn Heights, New York.

Another collaborator was Frances Kellor, with whom she founded the New York Association for Household Research which provided lodging and placement for women domestic workers.

[1] In 1904, increasingly interested in workers’ rights, Dreier joined the Women's Trade Union League, then only a small, budding organization.

The newlyweds split their time between running a settlement house in Chicago, Illinois and Chinsegut Hill in Brooksville, Florida.

[citation needed] Active in the Women's Suffrage Movement, Raymond Robins ran for office in 1912 as a Progressive Party candidate for Trustee at the University of Illinois.

Robins agreed to send both Rose Schneiderman and Mary Anderson to the Paris Peace Conference, where with other female labor leaders they organized an international labor women’s conference to prepare for the upcoming International Labour Organization convention in October in Washington, D.C.[citation needed] In 1924, Robins retired from her activist work and moved full-time with her husband to Florida.