Senator William Musgrave Calder

William Musgrave Calder (born March 3, 1869) was a Republican senator from New York who served in the United States Congress in the early twentieth century. Representing the state of New York, he held federal office from December 4, 1905, until March 3, 1923. Over the course of his career in Congress, he completed six terms and was identified with the Republican Party throughout his tenure.

Calder’s principal role in national politics was as a senator, and he is recorded as a historical member of Congress for New York during the period 1905–1923. Serving as a former officeholder by the time of this record, he did not represent a specific numbered district in the metadata, reflecting his statewide senatorial position. Further details about his committee assignments, office room, and public contact information are not provided in the available data.