Pliny Wilson Williamson (September 24, 1876 – October 21, 1958) was an American lawyer and politician from New York.


He was born on September 24, 1876, in Russellville, Brown County, Ohio, the son of Albert M. Williamson MD (born 1844) and Emma (Salisbury) Williamson (1852–1912).[1] He graduated from Steele High School in Dayton, Ohio; from Oberlin College; and from Columbia Law School in 1903. He practiced law in New York City. In 1904, he married Jane Louise Humes (died 1941), and they had two children (Jane Williamson Hacket & Andrew Wilson Williamson II).[2]

Among his clients were the Wright brothers and the Wright Company.[3]

He was Supervisor of the Town of Scarsdale from 1929[4] to 1934;[5] and was Majority Leader of the Board of Supervisors of Westchester County until 1931.[6]

Williamson was a member of the New York State Senate from 1935 until his death in 1958, sitting in the 158th, 159th, 160th, 161st, 162nd, 163rd, 164th, 165th, 166th, 167th, 168th, 169th, 170th and 171st New York State Legislatures.

He died on October 21, 1958, at his home in Scarsdale, New York.[7]


  1. ^ "Pliny Wilson Williamson" at Salisbury genealogy
  2. ^ MRS. PLINY W. WILLIAMSON in the New York Times on April 29, 1941 (subscription required)
  3. ^ PAULHAN IN FLIGHT, HEADED FOR FRANCE in the New York Times on March 22, 1910
  4. ^ Williamson Is New Supervisor transcribed from the Scarsdale Inquirer, of Scarsdale, on April 26, 1929
  5. ^ Quits Scarsdale Post Tonight in the New York Times on December 29, 1934 (subscription required)
  6. ^ WILLIAMSON QUITS; TAYLOR GETS POST in the New York Times on March 10, 1931 (subscription required)
  7. ^ P. W. WILLIAMSON, LE6ISLATOR, DIES in the New York Times on October 22, 1958 (subscription required)
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New York State Senate Preceded byWalter W. Westall New York State Senate 25th District 1935–1944 Succeeded byCarl Pack Preceded byClifford C. Hastings New York State Senate 31st District 1945–1958 Succeeded byGeorge W. Cornell