William P. Jackson

William P. Jackson
Treasurer of Maryland
In office 1918–1920
Governor	Emerson Harrington
Preceded by	John M. Dennis
Succeeded by	John M. Dennis
United States Senator from Maryland
In office November 29, 1912 – January 28, 1914
Appointed by	Phillips Lee Goldsborough
Preceded by	Isidor Rayner
Succeeded by	Blair Lee
Personal details
Born	(1868-01-11)January 11, 1868 Salisbury, Maryland
Died	March 7, 1939(1939-03-07) (aged 71) Salisbury, Maryland
Political party	Republican
Signature

William Purnell Jackson (January 11, 1868 – March 7, 1939) was a Republican member of the United States Senate, representing the State of Maryland from 1912 to 1914. His father, William Humphreys Jackson, was a U.S. Congressman from Maryland.