William Joseph Kerby (February 20, 1870 – July 27, 1936) was an American Catholic priest, writer, sociologist and a social worker.

Thomas Bouquillon, a proponent of social science and analysis in moral living in addition to more established seminary curriculum.

His interest became focused on sociology, and he studied abroad in order to help direct the developing field’s new department at CUA.

[6] In 1910 Kerby was among the founders of the National Conference of Catholic Charities and was selected as the organization's first executive secretary.

Kerby received an honorary doctorate of Laws from Notre Dame University in 1913.